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53 Commits

Author SHA1 Message Date
100398953a Slight rehash. 2023-05-08 10:53:20 +03:00
0d5e3d5ffe Slight rehash. 2023-05-08 10:51:54 +03:00
fd8c37c7cb Slight rehash. 2023-05-08 10:48:22 +03:00
a8cbadbe7d Added a Kotlin variation. 2023-05-07 23:15:50 +03:00
64c9e43742 Added a Kotlin variation. 2023-05-07 23:15:28 +03:00
5ca9ab6c17 Added a Kotlin variation. 2023-05-07 23:14:50 +03:00
a97f742be2 Added a Kotlin variation. 2023-05-07 23:14:24 +03:00
2494bea36c Camel case. 2023-05-07 22:20:31 +03:00
ca2b85ef9e . 2023-05-07 17:09:03 +03:00
77f96fafa6 Working model of Lab 3. 2023-05-07 17:07:56 +03:00
084f131c90 . 2023-05-07 16:46:18 +03:00
197426e266 Initial lab 3. 2023-05-07 15:19:23 +03:00
661c3641a1 Naming changes. 2023-05-07 15:19:06 +03:00
fc5704dd15 Cargo.toml added release profile. 2023-05-07 14:08:43 +03:00
45ef70b268 Finished lab_1 in Rust. 2023-05-07 09:26:25 +03:00
fe97b8dcde . 2023-05-06 23:56:34 +03:00
5c8d2bb8a1 . 2023-05-06 23:55:52 +03:00
6b6076f56c Merge branch 'ІО-23/30-Швед-Андрій-Дмитрович' of https://github.com/ASDjonok/OOP_IO-2x_2023 into ІО-23/30-Швед-Андрій-Дмитрович 2023-05-06 23:50:25 +03:00
9b08eb0dfc . 2023-05-06 23:50:22 +03:00
Rhinemann
9cce8b222e Delete Rust/lab_1/target directory 2023-05-06 23:47:52 +03:00
74209977bc . 2023-05-06 23:44:34 +03:00
83b275cefd . 2023-05-06 23:18:57 +03:00
af7af4d6f2 . 2023-05-06 23:09:06 +03:00
a4a3e09735 Lab 1. 2023-05-03 10:40:04 +03:00
acc2d533cb modified: Java/Lab 2/Lab_2.java 2023-05-03 10:39:06 +03:00
8013099c36 All sorts of corrections. 2023-05-03 10:32:23 +03:00
8100129706 Ceanup. 2023-05-02 11:42:37 +03:00
83d98b2982 Merge branch 'ІО-23/30-Швед-Андрій-Дмитрович' of https://github.com/ASDjonok/OOP_IO-2x_2023 into ІО-23/30-Швед-Андрій-Дмитрович 2023-05-02 11:40:28 +03:00
4af0ab5655 . 2023-05-02 11:38:55 +03:00
Rhinemann
07e9fbdc88 Delete Lab_2.class 2023-05-02 11:35:28 +03:00
Rhinemann
41aaaf4623 Delete Lab_1.class 2023-05-02 11:35:16 +03:00
99e9428dba Moved folders. 2023-05-02 11:34:34 +03:00
fe36219746 Update Lab 1. 2023-05-02 09:58:31 +03:00
896fc1f4d4 Minor cleanup 2023-04-26 14:37:46 +03:00
7fa667cb2d Changes 2023-04-26 14:34:13 +03:00
74a44852af Add Lab 2 2023-03-23 09:10:55 +02:00
Rhinemann
75112d90c2 Delete OOP_IO-2x_2023.iml 2023-03-23 08:59:27 +02:00
Rhinemann
e21575fa93 Delete .gitignore 2023-03-23 08:59:19 +02:00
Rhinemann
cf3d055f64 Delete src directory 2023-03-23 08:57:30 +02:00
Rhinemann
bdf5611f46 Delete .idea directory 2023-03-23 08:57:03 +02:00
Rhinemann
80de92fa1e Lab 1 commit 2023-03-22 17:02:31 +02:00
Oleksii Aleshchenko
14c58d0cc4 add lab2 2023-03-16 15:58:44 +02:00
Oleksii Aleshchenko
afc13cf9f8 add char example for lab1 2023-03-16 15:21:51 +02:00
Oleksii Aleshchenko
e910ee6e4d add final way of check division by zero for lab1 2023-03-16 15:07:48 +02:00
Oleksii Aleshchenko
6ab6cc17db add break with label (commented in line 34) and return for lab1 2023-03-16 15:00:12 +02:00
Oleksii Aleshchenko
25173d66d1 add flag "wasDivisionByZero" for lab1 2023-03-16 14:47:04 +02:00
Oleksii Aleshchenko
41ad598b79 add lab1 2023-03-09 16:01:01 +02:00
Oleksii Aleshchenko
13e1a61ad9 update Main with example for difference & and && 2023-03-02 16:07:34 +02:00
Oleksii Aleshchenko
f692ae7588 update polymorphism example 2023-03-02 15:48:38 +02:00
Oleksii Aleshchenko
429bcc7b3d add polymorphism example 2023-03-02 15:26:42 +02:00
Oleksii Aleshchenko
4b159fa22b update inheritance example 2023-03-02 14:41:44 +02:00
Oleksii Aleshchenko
2880b770f7 add inheritance example 2023-02-23 16:04:53 +02:00
Oleksii Aleshchenko
53a9d20438 Update Main.java 2023-02-23 14:30:35 +02:00
41 changed files with 291 additions and 738 deletions

4
.gitignore vendored
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# Project exclude paths
/out/
Rust/lab_1/target
Rust/lab_2/target

8
.idea/.gitignore generated vendored
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# Default ignored files
/shelf/
/workspace.xml
# Editor-based HTTP Client requests
/httpRequests/
# Datasource local storage ignored files
/dataSources/
/dataSources.local.xml

6
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8
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<?xml version="1.0" encoding="UTF-8"?>
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<module fileurl="file://$PROJECT_DIR$/OOP_IO-2x_2023.iml" filepath="$PROJECT_DIR$/OOP_IO-2x_2023.iml" />
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124
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6
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33
Java/lab_1/lab_1.java Normal file
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package OOP.Java.lab_1;
import java.util.Scanner;
public class lab_1 {
public static int protectedInput(String variableToRead, Scanner input) {
do {
try {
System.out.printf("Enter %s: ", variableToRead);
return input.nextInt();
} catch (Exception e) {
System.out.printf("%s must be an integer.\n", variableToRead.toUpperCase());
input.nextLine();
}
} while (true);
}
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
final int n = protectedInput("n", input);
final int m = protectedInput("m", input);
final int a = protectedInput("a", input);
final int b = protectedInput("b", input);
input.close();
final float s = ((float) (b + m) / 2) * (m - b + 1) * (n - a + 1);
System.out.println("S = " + s);
}
}

23
Java/lab_1/lab_1.kt Normal file
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@@ -0,0 +1,23 @@
package OOP.Java.lab_1
fun protectedInput(variableName: String): Int {
do {
try {
print("Enter $variableName: ")
return readln().toInt()
} catch (e: Exception) {
println("${variableName.uppercase()} must be an integer!")
}
} while (true)
}
fun main() {
val n: Int = protectedInput("n")
val m: Int = protectedInput("m")
val a: Int = protectedInput("a")
val b: Int = protectedInput("b")
val s: Float = (b + m).toFloat() / 2 * (m - b + 1) * (n - a + 1)
println("S = $s")
}

104
Java/lab_2/lab_2.java Normal file
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package OOP.Java.lab_2;
import java.util.Scanner;
public class lab_2 {
public static short protectedInput(String inputPrompt, String errorMessage, Scanner input) {
short read_variable;
do {
try {
System.out.println();
System.out.print(inputPrompt);
read_variable = input.nextShort();
break;
} catch (Exception e) {
System.out.println(errorMessage);
input.nextLine();
}
} while (true);
return read_variable;
}
public static String format(int number) {
int width = String.valueOf(number).length() + 1;
return "|%" + width + "d ";
}
public static double average(short[] row) {
short sum = 0;
for (short element : row) {
sum += element;
}
return (double) sum / row.length;
}
public static void main(String[] args) {
short rows, columns;
Scanner input = new Scanner(System.in);
final short a = protectedInput("Input a constant to multiply a matrix by: ",
"A constant must be a short-data type integer, try again.", input);
System.out.println();
System.out.println("Input size of the matrix.");
do {
rows = protectedInput("Rows: ",
"A number of rows must be a short-data type integer, try again.", input);
} while (rows <= 0);
do {
columns = protectedInput("Columns: ",
"A number of columns must be a short-data type integer, try again.", input);
} while (columns <= 0);
input.close();
short[][] matrix_B = new short[rows][columns];
System.out.println();
System.out.println("Matrix B:");
String format = format(rows * columns);
for (short i = 0; i < rows; i++) {
for (short j = 0; j < columns; j++) {
matrix_B[i][j] = (short) ((i + 1) * (j + 1));
System.out.printf(format, matrix_B[i][j]);
}
System.out.println("|");
}
System.out.println();
System.out.println("Matrix a×B:");
format = format(rows * columns * a);
for (short i = 0; i < matrix_B.length; i++) {
for (short j = 0; j < matrix_B[i].length; j++) {
matrix_B[i][j] *= (a);
System.out.printf(format, matrix_B[i][j]);
}
System.out.println("|");
}
System.out.println();
System.out.println("Averages of each row:");
for (short[] row : matrix_B) {
System.out.println(average(row));
}
}
}

57
Java/lab_3/lab_3.java Normal file
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package OOP.Java.lab_3;
public class lab_3 {
static int maxStrLength;
static String result;
public static void cSubUtil(StringBuilder stringbuilder, int leftBoundary, int rightBoundary) {
String string = stringbuilder.toString().toLowerCase().replaceAll("[^a-z]","");
// check if the indices lie in the range of string
// and also if it is palindrome
while (leftBoundary >= 0 && rightBoundary < string.length() && string.toLowerCase().charAt(leftBoundary) == string.toLowerCase().charAt(rightBoundary)) {
// expand the boundary
leftBoundary--;
rightBoundary++;
}
// if it's length is greater than maxLength update
// maxLength and res
if (rightBoundary - leftBoundary - 1 >= maxStrLength) {
result = string.substring(leftBoundary + 1, rightBoundary);
maxStrLength = rightBoundary - leftBoundary - 1;
}
}
public static int longestPalSubstr(StringBuilder string)
{
result = "";
maxStrLength = 1;
// for every index in the string check palindromes
// starting from that index
for (int i = 0; i < string.length(); i++) {
// check for odd length palindromes
cSubUtil(string, i, i);
// check for even length palindromes
cSubUtil(string, i, i + 1);
}
System.out.println("Longest palindrome substring is: " + compareStrings(string));
return compareStrings(string).length();
}
public static String compareStrings(StringBuilder builder) {
for (int leftBoundary = 0; leftBoundary <= builder.length(); leftBoundary++) {
for (int rightBoundary = builder.length(); rightBoundary >= leftBoundary; rightBoundary--) {
if (result.equals(builder.substring(leftBoundary, rightBoundary).toLowerCase().replaceAll("[^a-z]",""))) {
return builder.substring(leftBoundary, rightBoundary);
}
}
}
return "";
}
public static void main(String[] args) {
StringBuilder stringToDetect = new StringBuilder("Eva, can I see bees in a cave?");
System.out.println("Initial string: " + stringToDetect);
System.out.println("Length is: " + longestPalSubstr(stringToDetect));
}
}

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@@ -1,11 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<module type="JAVA_MODULE" version="4">
<component name="NewModuleRootManager" inherit-compiler-output="true">
<exclude-output />
<content url="file://$MODULE_DIR$">
<sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
</content>
<orderEntry type="inheritedJdk" />
<orderEntry type="sourceFolder" forTests="false" />
</component>
</module>

16
Rust/lab_1/Cargo.lock generated Normal file
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@@ -0,0 +1,16 @@
# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
version = 3
[[package]]
name = "lab_1"
version = "0.1.0"
dependencies = [
"text_io",
]
[[package]]
name = "text_io"
version = "0.1.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d5f0c8eb2ad70c12a6a69508f499b3051c924f4b1cfeae85bfad96e6bc5bba46"

16
Rust/lab_1/Cargo.toml Normal file
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@@ -0,0 +1,16 @@
[package]
name = "lab_1"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[profile.release]
opt-level = 'z' # Optimize for size
lto = true # Enable link-time optimization
codegen-units = 1 # Reduce number of codegen units to increase optimizations
panic = 'abort' # Abort on panic
strip = true # Strip symbols from binary*
[dependencies]
text_io = "0.1.12"

22
Rust/lab_1/src/main.rs Normal file
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fn protected_read(variable_name: &str) -> i32 {
use text_io::try_read;
loop {
print!("Enter {}: ", variable_name);
let read_result: Result<i32, _> = try_read!();
match read_result {
Ok(read_integer) => return read_integer,
Err(_e) => println!("{} must be an integer!", variable_name.to_uppercase()),
}
}
}
fn main() {
let n: i32 = protected_read("n");
let m: i32 = protected_read("m");
let a: i32 = protected_read("a");
let b: i32 = protected_read("b");
let s: f32 = ((b + m) as f32 / 2f32) * ((m - b + 1) * (n - a + 1)) as f32;
println!("S = {}", s);
}

7
Rust/lab_2/Cargo.lock generated Normal file
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@@ -0,0 +1,7 @@
# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
version = 3
[[package]]
name = "lab_2"
version = "0.1.0"

8
Rust/lab_2/Cargo.toml Normal file
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@@ -0,0 +1,8 @@
[package]
name = "lab_2"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]

3
Rust/lab_2/src/main.rs Normal file
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fn main() {
println!("Hello, world!");
}

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package IO_24._02_Бондаренко_Тарас_Андрійович.lab1;
import java.util.Scanner;
public class Lab1 {
public static void main(String[] args) {
// O1 = +
// C = 2
// O2 = %
// i, j = short(-32.768 to 32.768)
final int c = 2;
double result = 0;
Scanner scan = new Scanner(System.in);
System.out.print("Enter a: ");
int a = scan.nextInt();// Entering a
System.out.print("Enter b: ");
int b = scan.nextInt();// Entering b
System.out.print("Enter n: ");
int n = scan.nextInt();// Entering n
System.out.print("Enter m: ");
int m = scan.nextInt();// Entering m
scan.close();
if (a <= -c && n >= -c || b <= 0 && m >= 0) {
System.out.println("Error! Division by zero");
return;
}
else if(a > n || b > m){
result = 0;
System.out.println(result);
return;
}
for (short i = (short) a; i <= n; i++) {
for (short j = (short) b; j <= m; j++) {
result += (double) (i % j) / (i + c); //Calculation of the result
}
}
System.out.println("\ns = " + result); // Outputting the result
}
}

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package IO_24._02_Бондаренко_Тарас_Андрійович.lab2;
import java.util.Scanner;
public class Lab2 {
public static void main(String[] args) {
// C5 = 2
// C7 = 1
// C11 = 4
Scanner scan = new Scanner(System.in);
System.out.print("Enter the number of matrix rows: ");
int m = scan.nextInt();
System.out.print("Enter the number of matrix columns: ");
int n = scan.nextInt();
System.out.println("\nFilling matrix A:");
byte[][] matrixA = new byte[m][n]; // Creating MxN matrix A
scanMatrix(matrixA, scan);
System.out.println("\nMatrix A"); // Printing matrix A
printMatrix(matrixA);
System.out.println("\nFilling matrix B:");
byte[][] matrixB = new byte[m][n];// Creating MxN matrix B
scanMatrix(matrixB, scan);
scan.close();
System.out.println("\nMatrix B:");// Printing matrix B
printMatrix(matrixB);
System.out.println("\nMatrix C:");
byte[][] matrixC = new byte[m][n];// Creating matrix C
for (byte i = 0; i < m; i++) {
for (byte j = 0; j < n; j++) {
matrixC[i][j] = (byte) (matrixA[i][j] + matrixB[i][j]);
System.out.print(matrixC[i][j] + "\t ");
}
System.out.println();
}
byte evenSum = 0; // Sum for the largest numbers in even rows
byte oddSum = 0;// Sum for the smallest numbers in even rows
for (byte i = 0; i < matrixC.length; i++) {
byte largest = Byte.MIN_VALUE; // variable for largest element
byte smallest = Byte.MAX_VALUE;// variable for smallest element
for (byte j = 0; j < matrixC[i].length; j++) {
if (i % 2 == 0) {
smallest = (byte) Math.min(smallest, matrixC[i][j]);
} else {
largest = (byte) Math.max(largest, matrixC[i][j]);
}
}
if (i % 2 == 0) {
oddSum += smallest;
} else {
evenSum += largest;
}
}
System.out.println("\nSum of the biggest elements: " + evenSum);
System.out.println("Sum of the smallest elements: " + oddSum);
}
private static void scanMatrix(byte[][] matrix, Scanner scan) { //Method for filling matrix
for (byte i = 0; i < matrix.length; i++) {
for (byte j = 0; j < matrix[i].length; j++) {
System.out.printf("Enter element [%d][%d]", i, i);
matrix[i][j] = scan.nextByte();
}
}
}
private static void printMatrix(byte[][] matrix) {//Method for printing matrix
for (byte[] row : matrix) {
for (byte el : row) {
System.out.print(el + "\t ");
}
System.out.println();
}
}
}

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package IO_24._02_Бондаренко_Тарас_Андрійович.lab3;
import java.util.*;
public class Lab3 {
// String
// Надрукувати слова без повторень заданого тексту в алфавітному порядку за першою літерою.
public static void main(String[] args) {
String text = "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Mauris a diam maecenas sed enim ut sem viverra. Amet est placerat in egestas erat imperdiet. Sed turpis tincidunt id aliquet risus. Amet porttitor eget dolor morbi non arcu risus quis. Elementum nibh tellus molestie nunc non blandit massa. Feugiat scelerisque varius morbi enim nunc faucibus. Ipsum faucibus vitae aliquet nec ullamcorper sit amet risus nullam. Quis enim lobortis scelerisque fermentum dui faucibus in. Sem viverra aliquet eget sit amet tellus cras adipiscing enim. Sed ullamcorper morbi tincidunt ornare. Sodales ut eu sem integer vitae justo eget magna. Mi ipsum faucibus vitae aliquet nec ullamcorper.";
String[] words = text.split("[\\p{Punct}\\s]+");
List<String> wordList = new ArrayList<>(Arrays.asList(words));//Class ArrayList implements interface List
// asList returns immutable list
Set<String> wordSet = new HashSet<>(wordList);// Class HashSet implements interface Set
wordList.clear();
wordList.addAll(wordSet);
wordList.sort(String::compareToIgnoreCase);
wordList.sort((o1, o2) -> o1.compareToIgnoreCase(o2));
for (String element : wordList) {
System.out.println(element);
}
}
}

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package IO_24._02_Бондаренко_Тарас_Андрійович.lab4;
/**
* Class that represents a boat with different characteristics.
*/
public class Boat {
private final String name;
private final int price;
private final int mass;
private final int age;
private final String type;
public Boat(String name, int price, int mass, int age, String type) {
this.name = name;
this.price = price;
this.mass = mass;
this.age = age;
this.type = type;
}
public String getName() {
return name;
}
public int getPrice() {
return price;
}
@Override
public String toString() {
return String.format("%s - %s, which was built %d years ago, with mass - %d kg, has price - %d$;",
type, name, age, mass, price);
}
}

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package IO_24._02_Бондаренко_Тарас_Андрійович.lab4;
import java.util.Arrays;
import java.util.Comparator;
import java.util.List;
public class Lab4 {
public static void main(String[] args) {
List<Boat> boatList = Arrays.asList(
new Boat("Row V. Wave", 150000, 50000, 25, "cutter"),
new Boat("Dirty Oar", 250000, 40000, 15, "cutter"),
new Boat("Tumeric", 450000, 100000, 45, "cutter"),
new Boat("Life is Good", 350000, 20000, 5, "cutter")
);
boatList.sort(Comparator.comparing(Boat::getName));// comparing - method of Comparator interface
System.out.println("Sorted by name:");
printed(boatList);
boatList.sort(Comparator.comparing(Boat::getPrice).reversed());
System.out.println("\nSorted by price in reverse order:");
printed(boatList);
}
/**
* Print all characteristics of boats.
*
* @param boatList List of boats.
*/
public static void printed(List<Boat> boatList) {
for (Boat boat : boatList) {
System.out.println(boat);
}
}
}

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package IO_24._02_Бондаренко_Тарас_Андрійович.lab5;
import java.util.*;
public class Lab5 {
public static void main(String[] args) {
Text text = new Text("Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Mauris a diam maecenas sed enim ut sem viverra. Amet est placerat in egestas erat imperdiet. Sed turpis tincidunt id aliquet risus. Amet porttitor eget dolor morbi non arcu risus quis. Elementum nibh tellus molestie nunc non blandit massa. Feugiat scelerisque varius morbi enim nunc faucibus. Ipsum faucibus vitae aliquet nec ullamcorper sit amet risus nullam. Quis enim lobortis scelerisque fermentum dui faucibus in. Sem viverra aliquet eget sit amet tellus cras adipiscing enim. Sed ullamcorper morbi tincidunt ornare. Sodales ut eu sem integer vitae justo eget magna. Mi ipsum faucibus vitae aliquet nec ullamcorper.");
System.out.println(text);
text.getSortedWordsByFirstLetter();
}
}

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package IO_24._02_Бондаренко_Тарас_Андрійович.lab5;
public class Letter {
private final char character;
public Letter(char character) {
this.character = character;
}
@Override
public String toString() {
return String.valueOf(character);
}
}

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package IO_24._02_Бондаренко_Тарас_Андрійович.lab5;
public class Punctuation implements SentenceElement {
private final String character;
public Punctuation(String character) {
this.character = character;
}
@Override
public String toString() {
return character;
}
}

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package IO_24._02_Бондаренко_Тарас_Андрійович.lab5;
import java.util.Arrays;
import java.util.HashSet;
public class Sentence {
private final SentenceElement[] sentenceElements;
private static final String PUNCTUATION = "\\p{Punct}";
public Sentence(String sentences) {
String[] sentenceElement = sentences.split("(?=" + PUNCTUATION + ")| ");
sentenceElements = new SentenceElement[sentenceElement.length];
for (int i = 0; i < sentenceElement.length; i++) {
if (sentenceElement[i].matches(PUNCTUATION)) {
sentenceElements[i] = new Punctuation(sentenceElement[i]);
} else {
sentenceElements[i] = new Word(sentenceElement[i]);
}
}
}
public static void getSortedWordsByFirstLetter(Sentence[] sentences) {
StringBuilder allWords = new StringBuilder();
for (Sentence sentence : sentences) {
allWords.append(sentence).append(" ");
}
String[] words = allWords.toString().split("\\W+");
HashSet<String> uniqueWords = new HashSet<>();
for (String word : words) {
uniqueWords.add(word.toLowerCase());
}
String[] uniqueSortedWords = uniqueWords.toArray(new String[0]);
Arrays.sort(uniqueSortedWords);
for (String word : uniqueSortedWords) {
System.out.println(word);
}
}
@Override
public String toString() {
StringBuilder out = new StringBuilder();
for (SentenceElement se : sentenceElements) {
if (se.getClass().isAssignableFrom(Word.class)) {
out.append(" ");
}
out.append(se);
}
return out.toString();
}
}

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package IO_24._02_Бондаренко_Тарас_Андрійович.lab5;
public interface SentenceElement {
// Об'єднуєм два типа
}

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package IO_24._02_Бондаренко_Тарас_Андрійович.lab5;
public class Text {
private final Sentence[] sentences;
public Text(String text) {
String[] splitText = text.split("(?=[.!?]+)| ");
sentences = new Sentence[splitText.length];
for (int i = 0; i < splitText.length; i++) {
sentences[i] = new Sentence(splitText[i]);
}
}
public void getSortedWordsByFirstLetter() {
Sentence.getSortedWordsByFirstLetter(sentences);
}
@Override
public String toString() {
StringBuilder out = new StringBuilder();
for (Sentence sentence : sentences) {
out.append(sentence.toString());
}
return out.toString().strip();
}
}

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package IO_24._02_Бондаренко_Тарас_Андрійович.lab5;
public class Word implements SentenceElement {
private final Letter[] letters;
public Word(String word) {
letters = new Letter[word.length()];
for (int i = 0; i < word.length(); i++) {
letters[i] = new Letter(word.charAt(i));
}
}
@Override
public String toString() {
StringBuilder out = new StringBuilder();
for (Letter let : letters) {
out.append(let.toString());
}
return out.toString();
}
}

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package IO_24._02_Бондаренко_Тарас_Андрійович.lab6;
public class Comfort extends Tariff {
public Comfort(String name, int price, int customers) {
super(name, price, customers);
}
}

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package IO_24._02_Бондаренко_Тарас_Андрійович.lab6;
public class Economy extends Tariff {
public Economy(String name, int price, int customers) {
super(name, price, customers);
}
}

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package IO_24._02_Бондаренко_Тарас_Андрійович.lab6;
import java.util.Arrays;
import java.util.Comparator;
import java.util.Scanner;
public class Lab6 {
public static void main(String[] args) {
Comfort tariff1 = new Comfort("Comfort", 100, 5000);
Economy tariff2 = new Economy("Economy", 25, 10000);
Optimal tariff3 = new Optimal("Optimal", 300, 50000);
Tariff[] tariffs = {tariff1, tariff2, tariff3};
int sum = 0;
System.out.println("Тарифи мобільної мобільної компанії:");
for (int i = 0; i < tariffs.length; i++) {
System.out.printf("\t%d. %s%n", i + 1, tariffs[i].getName());
sum += tariffs[i].getCustomers();
}
System.out.println("\nЗагальна кількість користувачів: " + sum + ";");
System.out.println("\nТарифи мобільної компанії відсортовані за вартістю:");
Arrays.sort(tariffs, Comparator.comparing(Tariff::getPrice));
for (int i = 0; i < tariffs.length; i++) {
System.out.printf("\t%d. %s%n", i + 1, tariffs[i]);
}
System.out.println("\nВведіть діапазон цін, в якому бажаєте підібрати тариф: ");
Scanner scan = new Scanner(System.in);
System.out.print("\tМінімальна ціна: ");
int minSum = scan.nextInt();
System.out.print("\tМаксимальна ціна: ");
int maxSum = scan.nextInt();
scan.close();
int n2 = 0;
System.out.println("\ідібрані тарифи: ");
for (int i = 0; i < tariffs.length; i++) {
if (minSum <= tariffs[i].getPrice() && tariffs[i].getPrice() <= maxSum) {
System.out.printf("\t%d. %s%n", i + 1, tariffs[i]);
n2 += 1;
}
}
if (n2 == 0) {
System.out.println("\tНе знайдено тарифів в заданому діапазоні цін;");
}
}
}

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package IO_24._02_Бондаренко_Тарас_Андрійович.lab6;
public class Optimal extends Tariff {
public Optimal(String name, int price, int customers) {
super(name, price, customers);
}
}

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package IO_24._02_Бондаренко_Тарас_Андрійович.lab6;
public class Tariff {
private final String name;
private final int price;
private final int customers;
public Tariff(String name, int price, int customers) {
this.name = name;
this.price = price;
this.customers = customers;
}
public String getName() {
return name;
}
public int getPrice() {
return price;
}
public int getCustomers() {
return customers;
}
@Override
public String toString() {
return "Тариф " + name + ", коштує " + price + " грн.";
}
}

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public class Main {
public static void main(String[] args) {
System.out.println(args[1]);
System.out.println("Hello world!");
// System.out.println(1);
}
void myFunction() {
}
int myFunction2() {
return 1;
}
}

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package encapsulationInheritancePolymorphism;
public class Encapsulation {
/*private*/ int field;
private int field2;
// int a = 1;
public void myMethodForTheField () {
System.out.println(field);
}
public void myMethodForTheField2 () {
System.out.println(field);
}
public void myMethodForTheFieldAndTheField2 () {
System.out.println(field);
}
}

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package encapsulationInheritancePolymorphism;
public class EncapsulationInheritancePolymorphism {
public static void main(String[] args) {
int a = 1;
// var b = 2;
// System.out.println(b);
}
}

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package encapsulationInheritancePolymorphism;
public class Main {
public static void main(String[] args) {
Student student = new Student();
//...
student.setFaculty("FPM", "MO-22");
}
}

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package encapsulationInheritancePolymorphism;
public class Student {
private String name;
private String surname;
private String group;
private String faculty;
public String getName() {
return name;
}
public void setFaculty(String faculty, String group) {
this.faculty = faculty;
this.group = group;
}
}

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package test;
public class A {
/*private*/ int f/* = 3*/;
public int getF() {
return f;
}
public void setF(int f) {
this.f = f;
}
}

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package test;
public class Main {
public static void main(String[] args) {
A a = new A();
System.out.println(a.getF());
a.setF(1);
System.out.println(a.getF());
System.out.println(a.f);
int[] array = {1, 2, 1};
System.out.println(array.length);
}
}