diff --git a/.idea/misc.xml b/.idea/misc.xml index d15472f..ce297c6 100644 --- a/.idea/misc.xml +++ b/.idea/misc.xml @@ -1,6 +1,6 @@ - + \ No newline at end of file diff --git a/src/Lab1.java b/src/Lab1.java deleted file mode 100644 index 6e7403c..0000000 --- a/src/Lab1.java +++ /dev/null @@ -1,58 +0,0 @@ -public class Lab1 { - public static void main(String[] args) { -// char c = 'a' + '1'; - char c = 97; -// char c = '1'; - System.out.println(c); - System.out.println((int) c); - c++; - System.out.println(c); - System.out.println((int) c); - System.out.println((double)'1'/'3'); - -// System.out.println( (double) 0 / 0 ); -// System.out.println( Math.sqrt(-1) ); - double s = 0; - /*for (int i = 1; i <= 3; i++) { // 1) ��������� � i = 1, 2) ���� � <= 3, 3) �������� 䳿 � �� �����, - System.out.println(i); // 4) �������������� � �� 1, 5) ����������� �� ����� 2 -// s = s + i; - s += i; - }*/ - /*int[] array = new int[2]; - for (int i = 0; i < array.length; i++) { - - }*/ - final int A = -3; - final int B = 0; - final int N = 2; - final int M = 2; - - final int C = 1; -// boolean wasDivisionByZero = false; -// todo char -// todo[clear code] think about avoiding brackets - if ((A <= -C && -C <= N) || (B <= 0 && 0 <= M)) { - System.out.println("Division by zero!"); - return; - } -/*myLabel:*/for (int i = A; i <= N /*&& !wasDivisionByZero*/; i++) { - /*if (i + C == 0) { // todo optimize - System.out.println("Division by zero!"); - wasDivisionByZero = true; - break; //todo flag vs return; - }*/ - for (int j = B; j <= M; j++) { - /*if (j == 0) { - System.out.println("Division by zero!"); - return; -// wasDivisionByZero = true; -// break myLabel; - }*/ - s += (double) (i / j) / (i + C); - } - } -// if (!wasDivisionByZero) { - System.out.println("s = " + s); -// } - } -} diff --git a/src/Lab1/Lab1.java b/src/Lab1/Lab1.java new file mode 100644 index 0000000..d0b8291 --- /dev/null +++ b/src/Lab1/Lab1.java @@ -0,0 +1,140 @@ +package Lab1; + +import java.util.InputMismatchException; +import java.util.Scanner; + +public class Lab1 { + public static void main(String[] args) { + int C2, C3, C5, C7; // creating variables + int numBook = 2401; // default value of scorebook + + Scanner sc = new Scanner(System.in); // scanner creating for inputing values from keyboard + System.out.println("By default number of scorebook is 2401. \nEnter to skip or input new value: "); + String input = sc.nextLine(); + + if (!input.equals("")) { // try-catch for checking correct inputing of value + try { + numBook = Math.abs(Integer.parseInt(input)); // scorebook can be only unsigned + } catch (NumberFormatException e) { + System.out.println("Invalid input. Using default value 2401"); // printing that will be used default value + } + } + + String[] operations1 = {"+", "-"};// + String[] operations2 = {"*", "/", "%", "+", "-"}; // String array for choosing operations + String[] operations3 = {"byte", "short", "int", "long", "char", "float", "double"}; // + // determining variables + C2 = numBook % 2; + C3 = numBook % 3; + C5 = numBook % 5; + C7 = numBook % 7; + + String O1 = operations1[C2]; + int C = C3; + String O2 = operations2[C5]; + String O3 = operations3[C7]; + + System.out.println("C2 is: " + C2 + ", operation is: " + O1); // + System.out.println("C3 is: " + C); // printing parameters that user got + System.out.println("C5 is: " + C5 + ", operation is: " + O2); // + System.out.println("C7 is: " + C7 + ", Type of indexes i and j is: " + O3); // + + Number i = 0; // creating objects i j of (abstract)superclass Number + Number j = 0; // + + + System.out.println("\nEnter a value for i and j in the " + O3 + " type: "); + + switch (O3) { // Choosing type of i and j by C7 + case "byte" -> { + try { + i = sc.nextByte(); + j = sc.nextByte(); + } catch (InputMismatchException e) { + System.out.println("Invalid input. Please enter a valid byte value."); + sc.nextLine(); + } + } + case "short" -> { + i = sc.nextShort(); + j = sc.nextShort(); + } + case "int" -> { + i = sc.nextInt(); + j = sc.nextInt(); + } + case "long" -> { + i = sc.nextLong(); + j = sc.nextLong(); + } + case "char" -> { + System.out.println("Read only first character!"); + i = (int) sc.next().charAt(0); + j = (int) sc.next().charAt(0); + } + case "float" -> { + i = sc.nextFloat(); + j = sc.nextFloat(); + } + case "double" -> { + i = sc.nextDouble(); + j = sc.nextDouble(); + } + + } + + + System.out.println("The value of the created variables is: " + i + " and " + j); + + + + class Sum { // creating class Sum + int n, m; + double i, j; + + public Sum(double i, double j, int n, int m) { // Constructor to initialize all variables + this.i = i; + this.j = j; + this.n = n; + this.m = m; + } + + public void calc() { // create method for our class + double sum = 0, result = 0, result2 = 0; + if ((O1.equals("-") && i + n >= C && i <= C) || (C == 0 && i == 0)) { // exclude situations + System.out.println("dividing by zero!"); // with dividing by 0 + } else if (i > n || j > m) { + System.out.println("i or j greater than n or m"); + } else { + for (double b = i; b <= n; b++) { + for (double a = j; a <= m; a++) { + switch (O2) { + case "+" -> result = b + a; + case "-" -> result = b - a; + case "*" -> result = b * a; + case "/" -> result = b / a; + case "%" -> result = b % a; + } + switch (O1) { + case "+" -> result2 = b + C; + case "-" -> result2 = b - C; + } + sum += result / result2; + } + } + System.out.println("Sum is: " + sum); + } + } + } + + System.out.print("Enter value for n and m: \n"); + + int n = sc.nextInt(); + int m = sc.nextInt(); + + Sum sum = new Sum(i.doubleValue(), j.doubleValue(), n, m); // creating new instance of Sum class + // .doubleValue() converting our variables to double + sum.calc(); + sc.close(); + } +} \ No newline at end of file diff --git a/src/Lab2.java b/src/Lab2.java deleted file mode 100644 index 56489af..0000000 --- a/src/Lab2.java +++ /dev/null @@ -1,102 +0,0 @@ -public class Lab2 { - public static void main(String[] args) { - final int A = 2; - final int[][] MATRIX_B = { - {1, 202, 1, 1, 202, 3, 1, 202, 3,}, - {1, 202, 1, 1, 202, 3, 1, 202, 3,}, - {1, 1, 3, 1, 202, 3, 1, 202, 3,}, -// {4, 5, 6,}, - }; - - int[][] MATRIX_C = multiplication(A, MATRIX_B); - - print(MATRIX_C); - - System.out.println("Sum of smallest elements in every column: " + sumOfSmallestElementsInEveryColumn(MATRIX_C)); - - /*int[] array = {1, 2, 3}; - int[] array2 = new int[3]; - Object[] array3 = new String[3]; - System.out.println(array3[0]); //nothing, trash from the memory, null || null - System.out.println(array2[0]); //nothing, trash from the memory, null || 0 - System.out.println(array[0]); // || 1 - - int[][] matrix2 = new int[2][3]; - matrix2[0] = new int[2]; - matrix2[1] = new int[1]; - for (int i = 0; i < array.length; i++) { - if (i % 2 == 0) { - System.out.println("!" + array[i]); - } else { - System.out.println("?" + array[i]); - } - } - - for (int i = 0; i < array.length; i+=2) { - System.out.println("!" + array[i]); - } - - for (int i = 1; i < array.length; i+=2) { - System.out.println("?" + array[i]); - } - -// зубчасті матриці - int[][] matrix = { - {1, 2}, - {3} - }; - -// C=a×B, a - const - - -// final int[][] MATRIX_C = int; - - - MATRIX_B[0][0] = 2; - MATRIX_B[0] = new int[]{1, 2}; - System.out.println(MATRIX_B[0][0]); - MATRIX_B = new int[][]{ - {1, 2}, - {3} - };*/ - } - - private static int sumOfSmallestElementsInEveryColumn(final int[][] MATRIX_C) { -// todo check different length of rows -// todo try to change i and j -// todo check repetition of minimal elements - int sum = 0; - for (int i = 0; i < MATRIX_C[0].length; i++) { - int tmpSmallest = MATRIX_C[0][i]; - for (int j = 1; j < MATRIX_C.length; j++) { - if (MATRIX_C[j][i] < tmpSmallest) { - tmpSmallest = MATRIX_C[j][i]; - } - } - sum += tmpSmallest; - } - return sum; - } - - private static void print(final int[][] MATRIX_C) { - for (int i = 0; i < MATRIX_C.length; i++) { - for (int j = 0; j < MATRIX_C[i].length; j++) { -// System.out.print(MATRIX_C[i][j] + "\t");//printf("%4d", - System.out.printf("%4d ", MATRIX_C[i][j]);//printf("%4d", - } - System.out.println(); - } - } - - private static int[][] multiplication(int A, final int[][] MATRIX_B) { - final int[][] MATRIX_C = new int[MATRIX_B.length][/*MATRIX_B[0].length*/]; // todo !!!DANGER different lengths of rows -// final int[][] MATRIX_C = MATRIX_B; - for (int i = 0; i < MATRIX_B.length; i++) { - MATRIX_C[i] = new int[MATRIX_B[i].length]; - for (int j = 0; j < MATRIX_B[i].length; j++) { - MATRIX_C[i][j] = MATRIX_B[i][j] * A; - } - } - return MATRIX_C; - } -} diff --git a/src/Lab2/Lab2.java b/src/Lab2/Lab2.java new file mode 100644 index 0000000..c81e043 --- /dev/null +++ b/src/Lab2/Lab2.java @@ -0,0 +1,153 @@ +package Lab2; + +import java.util.Scanner; +import java.util.Random; + +public class Lab2 { + public static void main(String[] args) { + final int C5, C7, C11, NumBook; + NumBook = 2401; + C5 = NumBook % 5; + C7 = NumBook % 7; + C11 = NumBook % 11; + System.out.println("-----------------------------------------------------"); + System.out.println("C5 is: " + C5 + " - act with martix is C=Bт"); + System.out.println("C7 is: " + C7 + " - type of elements is double"); + System.out.println("C11 is: " + C11 + " - calculate the sum of the largest elements\n" + + "of each row of the matrix"); + System.out.println("-----------------------------------------------------"); + int Mside = 0; + int Nside = 0; + int Choose; + double MaxSum = 0; + Random rand = new Random(); + Scanner sc = new Scanner(System.in); + + while (true) { + try { + System.out.print("Enter random or handle input(1 or 0): "); + Choose = Math.abs(Integer.parseInt(sc.nextLine())); + if (Choose == 1 || Choose == 0) { + break; + } + } catch (NumberFormatException e) { + System.out.println("Invalid input. Please enter an integer."); + } + + } + while (true) { + try { + System.out.print("Enter number of rows: "); + Mside = Math.abs(Integer.parseInt(sc.nextLine())); + if (Mside <= 0) { + System.out.println("Invalid input. Number of rows must be greater than 0"); + + } else { + break; + } + } catch (NumberFormatException e) { + System.out.println("Invalid input. Please enter an integer."); + } + } + + while (true) { + try { + System.out.print("Enter number of columns: "); + Nside = Math.abs(Integer.parseInt(sc.nextLine())); + if (Nside <= 0) { + System.out.println("Invalid input. Number of columns must be greater than 0"); + + } else { + break; + } + } catch (NumberFormatException e) { + System.out.println("Invalid input. Please enter an integer."); + } + } + final int lenghtMaxElements = 5; + double[][] CArray = new double[Mside][Nside]; + double[][] TransposedArray = new double[Nside][Mside]; + double[][] MaxElements = new double[Nside][lenghtMaxElements]; + if (Choose == 1) { + for (int i = 0; i < Mside; i++) { + for (int j = 0; j < Nside; j++) { + CArray[i][j] = rand.nextDouble(-100, 100); + } + + } + } + if (Choose == 0) { + for (int i = 0; i < Mside; i++) { + for (int j = 0; j < Nside; j++) { + while (true) { + try { + System.out.printf("Enter the element at position (%d,%d): ", i + 1, j + 1); + CArray[i][j] = Double.parseDouble(sc.nextLine()); + break; + } catch (NumberFormatException e) { + System.out.println("Invalid input. Please enter a valid number."); + } + } + } + } + } + for (int i = 0; i < Mside; i++) { + for (int j = 0; j < Nside; j++) { + System.out.printf("%8.2f", CArray[i][j]); + } + System.out.println(); + } + + for (int i = 0; i < Nside; i++) { + for (int j = 0; j < Mside; j++) { + TransposedArray[i][j] = CArray[j][i]; + } + } + System.out.println("Transposed array is:"); + int row, cols; + for (row = 0; row < Nside; row++) { + for (cols = 0; cols < Mside; cols++) { + System.out.printf("%8.2f", TransposedArray[row][cols]); + + } + System.out.println(); + } + + for (int i = 0; i < Nside; i++) { + MaxElements[i][0] = TransposedArray[i][0]; + + for (int j = 1; j < Mside; j++) { + MaxElements[i][1] = i; + if (TransposedArray[i][j] > MaxElements[i][0]) { + MaxElements[i][0] = TransposedArray[i][j]; + MaxElements[i][2] = j; + + + } else if (TransposedArray[i][j] == MaxElements[i][0]) { + MaxElements[i][3] = MaxElements[i][0]; + MaxElements[i][4] = 1; + + } + + + } + //System.out.println(MaxElements[i][0] +" "+ MaxElements[i][1] +" "+ MaxElements[i][2] + " " + MaxElements[i][3] + " " + MaxElements[i][4]); + //code i used for debug + } + System.out.println("Max elements for each row:"); + if (Mside == 1) { + System.out.println("I can`t find max element for mx1 matrix"); + + } else { + for (int i = 0; i < Nside; i++) { + if (MaxElements[i][0] == MaxElements[i][3] && MaxElements[i][4] == 1) { + System.out.printf("In row %1.0f does not exist a max element\n", MaxElements[i][1] + 1); + } else { + System.out.printf("%8.2f is max value and his coordinate: (%1.0f, %1.0f)\n", MaxElements[i][0], MaxElements[i][1] + 1, MaxElements[i][2] + 1); + MaxSum += MaxElements[i][0]; + } + } + System.out.printf("Sum of elements with max values is: %.2f\n", MaxSum); + } + } +} diff --git a/src/Main.java b/src/Main.java deleted file mode 100644 index 01cc396..0000000 --- a/src/Main.java +++ /dev/null @@ -1,42 +0,0 @@ -public class Main { - public static void main(String[] args) { - System.out.println(args[2]); - System.out.println("Hello world!"); -// System.out.println(1); - - int a = 1; - int b = 2; - int c = 1; - int d = 1; - - System.out.println(2&1); - System.out.println(2|1); - int aa = 2; - - /*if (aa) { - - }*/ - -// System.out.println("a"&"b"); - System.out.println('a'&'b'); - - if ((a > b) & MyBooleanMethod()) { - System.out.println("?????????????????????????"); - } - - - } - - static boolean MyBooleanMethod() { - System.out.println("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"); - return true; - } - - void myFunction() { - - } - - int myFunction2() { - return 1; - } -} diff --git a/src/encapsulationInheritancePolymorphism/Encapsulation.java b/src/encapsulationInheritancePolymorphism/Encapsulation.java deleted file mode 100644 index aa53da3..0000000 --- a/src/encapsulationInheritancePolymorphism/Encapsulation.java +++ /dev/null @@ -1,20 +0,0 @@ -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); - } -} - diff --git a/src/encapsulationInheritancePolymorphism/EncapsulationInheritancePolymorphism.java b/src/encapsulationInheritancePolymorphism/EncapsulationInheritancePolymorphism.java deleted file mode 100644 index b7343df..0000000 --- a/src/encapsulationInheritancePolymorphism/EncapsulationInheritancePolymorphism.java +++ /dev/null @@ -1,10 +0,0 @@ -package encapsulationInheritancePolymorphism; - -public class EncapsulationInheritancePolymorphism { - - public static void main(String[] args) { - int a = 1; -// var b = 2; -// System.out.println(b); - } -} diff --git a/src/encapsulationInheritancePolymorphism/Main.java b/src/encapsulationInheritancePolymorphism/Main.java deleted file mode 100644 index 47dc9d3..0000000 --- a/src/encapsulationInheritancePolymorphism/Main.java +++ /dev/null @@ -1,14 +0,0 @@ -package encapsulationInheritancePolymorphism; - -public class Main { - public static void main(String[] args) { - Student student = new Student(); - - - - - //... - - student.setFaculty("FPM", "MO-22"); - } -} diff --git a/src/encapsulationInheritancePolymorphism/Student.java b/src/encapsulationInheritancePolymorphism/Student.java deleted file mode 100644 index 2ad836d..0000000 --- a/src/encapsulationInheritancePolymorphism/Student.java +++ /dev/null @@ -1,18 +0,0 @@ -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; - } -} diff --git a/src/encapsulationInheritancePolymorphism/inheritance/ElectricEngine.java b/src/encapsulationInheritancePolymorphism/inheritance/ElectricEngine.java deleted file mode 100644 index e0852cd..0000000 --- a/src/encapsulationInheritancePolymorphism/inheritance/ElectricEngine.java +++ /dev/null @@ -1,9 +0,0 @@ -package encapsulationInheritancePolymorphism.inheritance; - -public class ElectricEngine extends Engine { - private String batteryType; - - /*private class Engine { - private int power; - }*/ -} diff --git a/src/encapsulationInheritancePolymorphism/inheritance/Engine.java b/src/encapsulationInheritancePolymorphism/inheritance/Engine.java deleted file mode 100644 index 2e315da..0000000 --- a/src/encapsulationInheritancePolymorphism/inheritance/Engine.java +++ /dev/null @@ -1,5 +0,0 @@ -package encapsulationInheritancePolymorphism.inheritance; - -public class Engine { - private int power; -} diff --git a/src/encapsulationInheritancePolymorphism/inheritance/FuelEngine.java b/src/encapsulationInheritancePolymorphism/inheritance/FuelEngine.java deleted file mode 100644 index 482b600..0000000 --- a/src/encapsulationInheritancePolymorphism/inheritance/FuelEngine.java +++ /dev/null @@ -1,5 +0,0 @@ -package encapsulationInheritancePolymorphism.inheritance; - -public class FuelEngine extends Engine { - private String fuelType; -} diff --git a/src/encapsulationInheritancePolymorphism/inheritance/Main.java b/src/encapsulationInheritancePolymorphism/inheritance/Main.java deleted file mode 100644 index 6e7e717..0000000 --- a/src/encapsulationInheritancePolymorphism/inheritance/Main.java +++ /dev/null @@ -1,8 +0,0 @@ -package encapsulationInheritancePolymorphism.inheritance; - -public class Main { - public static void main(String[] args) { - ElectricEngine electricEngine = new ElectricEngine(); // створення нового об'єкту (екземпляру) класу ElectricEngine - FuelEngine fuelEngine = new FuelEngine(); - } -} diff --git a/src/encapsulationInheritancePolymorphism/polymorphism/ElectricEngine.java b/src/encapsulationInheritancePolymorphism/polymorphism/ElectricEngine.java deleted file mode 100644 index 85520e0..0000000 --- a/src/encapsulationInheritancePolymorphism/polymorphism/ElectricEngine.java +++ /dev/null @@ -1,14 +0,0 @@ -package encapsulationInheritancePolymorphism.polymorphism; - -public class ElectricEngine extends Engine { - private String batteryType; - - @Override - public int getPower() { - return 20; - } - - /*private class Engine { - private int power; - }*/ -} diff --git a/src/encapsulationInheritancePolymorphism/polymorphism/Engine.java b/src/encapsulationInheritancePolymorphism/polymorphism/Engine.java deleted file mode 100644 index 074855b..0000000 --- a/src/encapsulationInheritancePolymorphism/polymorphism/Engine.java +++ /dev/null @@ -1,9 +0,0 @@ -package encapsulationInheritancePolymorphism.polymorphism; - -public class Engine { - private int power; - - public int getPower() { - return power; - } -} diff --git a/src/encapsulationInheritancePolymorphism/polymorphism/FuelEngine.java b/src/encapsulationInheritancePolymorphism/polymorphism/FuelEngine.java deleted file mode 100644 index 151870d..0000000 --- a/src/encapsulationInheritancePolymorphism/polymorphism/FuelEngine.java +++ /dev/null @@ -1,10 +0,0 @@ -package encapsulationInheritancePolymorphism.polymorphism; - -public class FuelEngine extends Engine { - private String fuelType; - - @Override - public int getPower() { - return 50; - } -} diff --git a/src/encapsulationInheritancePolymorphism/polymorphism/Main.java b/src/encapsulationInheritancePolymorphism/polymorphism/Main.java deleted file mode 100644 index 6be81c0..0000000 --- a/src/encapsulationInheritancePolymorphism/polymorphism/Main.java +++ /dev/null @@ -1,38 +0,0 @@ -package encapsulationInheritancePolymorphism.polymorphism; - -/*import encapsulationInheritancePolymorphism.inheritance.ElectricEngine; -import encapsulationInheritancePolymorphism.inheritance.FuelEngine;*/ - -public class Main { - public static void main(String[] args) { - /*encapsulationInheritancePolymorphism.inheritance.*/ElectricEngine electricEngine = new ElectricEngine(); // створення нового об'єкту (екземпляру) класу ElectricEngine - /*encapsulationInheritancePolymorphism.inheritance.*/FuelEngine fuelEngine = new FuelEngine(); - - Engine engine1 = fuelEngine; - - Engine[] engines = { - electricEngine, - fuelEngine - }; - - for (Engine engine : engines) { - System.out.println(engine.getPower()); - } - - /*for (int i = 0; i < engines.length; i++) { - System.out.println(engines[i].getPower()); - }*/ - -// + - int a = 1; - int b = 1; - int c = a + b; - System.out.println(c); - - - String sA = "1"; - String sB = "1"; - String sC = sA + sB; - System.out.println(sC); - } -} diff --git a/src/encapsulationInheritancePolymorphism/polymorphism/enhanced/ElectricEngine.java b/src/encapsulationInheritancePolymorphism/polymorphism/enhanced/ElectricEngine.java deleted file mode 100644 index 1d6db51..0000000 --- a/src/encapsulationInheritancePolymorphism/polymorphism/enhanced/ElectricEngine.java +++ /dev/null @@ -1,19 +0,0 @@ -package encapsulationInheritancePolymorphism.polymorphism.enhanced; - -public class ElectricEngine extends Engine { - private String batteryType; - private int chargeLevel = 9; - private int criticalChargeLevel = 10; - private float coefficientCriticalPowerCut = 0.1f; - - @Override - public int getPower() { - return chargeLevel > criticalChargeLevel - ? super.getPower() - : (int) (super.getPower() * coefficientCriticalPowerCut); - } - - /*private class Engine { - private int power; - }*/ -} diff --git a/src/encapsulationInheritancePolymorphism/polymorphism/enhanced/Engine.java b/src/encapsulationInheritancePolymorphism/polymorphism/enhanced/Engine.java deleted file mode 100644 index 310f9ce..0000000 --- a/src/encapsulationInheritancePolymorphism/polymorphism/enhanced/Engine.java +++ /dev/null @@ -1,9 +0,0 @@ -package encapsulationInheritancePolymorphism.polymorphism.enhanced; - -public class Engine { - private int power = 100; - - public int getPower() { - return power; - } -} diff --git a/src/encapsulationInheritancePolymorphism/polymorphism/enhanced/FuelEngine.java b/src/encapsulationInheritancePolymorphism/polymorphism/enhanced/FuelEngine.java deleted file mode 100644 index ad07d84..0000000 --- a/src/encapsulationInheritancePolymorphism/polymorphism/enhanced/FuelEngine.java +++ /dev/null @@ -1,10 +0,0 @@ -package encapsulationInheritancePolymorphism.polymorphism.enhanced; - -public class FuelEngine extends Engine { - private String fuelType; - - /*public int getPower() { - return 50; - }*/ - -} diff --git a/src/encapsulationInheritancePolymorphism/polymorphism/enhanced/Main.java b/src/encapsulationInheritancePolymorphism/polymorphism/enhanced/Main.java deleted file mode 100644 index dcec9b1..0000000 --- a/src/encapsulationInheritancePolymorphism/polymorphism/enhanced/Main.java +++ /dev/null @@ -1,28 +0,0 @@ -package encapsulationInheritancePolymorphism.polymorphism.enhanced; - -/*import encapsulationInheritancePolymorphism.inheritance.ElectricEngine; -import encapsulationInheritancePolymorphism.inheritance.FuelEngine;*/ - -public class Main { - public static void main(String[] args) { - /*encapsulationInheritancePolymorphism.inheritance.*/ - ElectricEngine electricEngine = new ElectricEngine(); // створення нового об'єкту (екземпляру) класу ElectricEngine - /*encapsulationInheritancePolymorphism.inheritance.*/ - FuelEngine fuelEngine = new FuelEngine(); - - Engine engine1 = fuelEngine; - - Engine[] engines = { - electricEngine, - fuelEngine - }; - - for (Engine engine : engines) { - System.out.println(engine.getPower()); - } - - /*for (int i = 0; i < engines.length; i++) { - System.out.println(engines[i].getPower()); - }*/ - } -} diff --git a/src/encapsulationInheritancePolymorphism/polymorphism/overload/MyClassForOverloadExample.java b/src/encapsulationInheritancePolymorphism/polymorphism/overload/MyClassForOverloadExample.java deleted file mode 100644 index 7eeb4b7..0000000 --- a/src/encapsulationInheritancePolymorphism/polymorphism/overload/MyClassForOverloadExample.java +++ /dev/null @@ -1,17 +0,0 @@ -package encapsulationInheritancePolymorphism.polymorphism.overload; - -public class MyClassForOverloadExample { - void myMethod(int a) { - System.out.println("Integer: " + a); - } - - void myMethod(double a) { - System.out.println("Double: " + a); - } - - public static void main(String[] args) { - MyClassForOverloadExample overload = new MyClassForOverloadExample(); - overload.myMethod(1); - overload.myMethod(0.1); - } -} diff --git a/src/test/A.java b/src/test/A.java deleted file mode 100644 index 8553a5e..0000000 --- a/src/test/A.java +++ /dev/null @@ -1,13 +0,0 @@ -package test; - -public class A { - /*private*/ int f/* = 3*/; - - public int getF() { - return f; - } - - public void setF(int f) { - this.f = f; - } -} diff --git a/src/test/Main.java b/src/test/Main.java deleted file mode 100644 index bf9f4b3..0000000 --- a/src/test/Main.java +++ /dev/null @@ -1,15 +0,0 @@ -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); - } -}