diff --git a/.idea/uiDesigner.xml b/.idea/uiDesigner.xml deleted file mode 100644 index 2b63946..0000000 --- a/.idea/uiDesigner.xml +++ /dev/null @@ -1,124 +0,0 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - \ No newline at end of file diff --git a/.idea/vcs.xml b/.idea/vcs.xml deleted file mode 100644 index 94a25f7..0000000 --- a/.idea/vcs.xml +++ /dev/null @@ -1,6 +0,0 @@ - - - - - - \ No newline at end of file diff --git a/.idea/.gitignore b/lab1/FunctionCalculator/.idea/.gitignore similarity index 100% rename from .idea/.gitignore rename to lab1/FunctionCalculator/.idea/.gitignore diff --git a/lab1/FunctionCalculator/.idea/.name b/lab1/FunctionCalculator/.idea/.name new file mode 100644 index 0000000..002da1d --- /dev/null +++ b/lab1/FunctionCalculator/.idea/.name @@ -0,0 +1 @@ +Main.java \ No newline at end of file diff --git a/.idea/misc.xml b/lab1/FunctionCalculator/.idea/misc.xml similarity index 73% rename from .idea/misc.xml rename to lab1/FunctionCalculator/.idea/misc.xml index d15472f..7464918 100644 --- a/.idea/misc.xml +++ b/lab1/FunctionCalculator/.idea/misc.xml @@ -1,6 +1,6 @@ - + \ No newline at end of file diff --git a/lab1/FunctionCalculator/.idea/modules.xml b/lab1/FunctionCalculator/.idea/modules.xml new file mode 100644 index 0000000..5092df8 --- /dev/null +++ b/lab1/FunctionCalculator/.idea/modules.xml @@ -0,0 +1,8 @@ + + + + + + + + \ No newline at end of file diff --git a/OOP_IO-2x_2023.iml b/lab1/FunctionCalculator/FunctionCalculator.iml similarity index 100% rename from OOP_IO-2x_2023.iml rename to lab1/FunctionCalculator/FunctionCalculator.iml diff --git a/lab1/FunctionCalculator/out/production/FunctionCalculator/Main.class b/lab1/FunctionCalculator/out/production/FunctionCalculator/Main.class new file mode 100644 index 0000000..920cbb0 Binary files /dev/null and b/lab1/FunctionCalculator/out/production/FunctionCalculator/Main.class differ diff --git a/lab1/FunctionCalculator/src/Main.java b/lab1/FunctionCalculator/src/Main.java new file mode 100644 index 0000000..bcda6ea --- /dev/null +++ b/lab1/FunctionCalculator/src/Main.java @@ -0,0 +1,51 @@ +import java.util.Scanner; +public class Main { + public static void main(String[] args) { + //C2 = 2501 % 2 = 1, і операція O1 буде відніманням (-). + //C3 = 2501 % 3 = 2 + //C5 = 2501 % 5 = 1, і операція O2 буде діленням (/). + //C7 = 2501 % 7 = 4, тип індексів i та j буде char. + double result = 0; // результат + char i, j; + char operation1 = '-'; + double constant = 2.0; + Scanner scanner = new Scanner(System.in); + System.out.print("Введіть значення n: "); + int n = scanner.nextInt(); + System.out.print("Введіть значення m: "); + int m = scanner.nextInt(); + + // Обчислення значення функції S + for (i = 'a'; i <= 'a' + n - 1; i++) { + for (j = 'b'; j <= 'b' + m - 1; j++) { + try { + double value = (double) i / applyOperation(j, operation1, constant); + result += value; + } catch (ArithmeticException e) { + System.out.println("Ділення на нуль: " + e.getMessage()); + } catch (Exception e) { + System.out.println("Виникла помилка: " + e.getMessage()); + } + } + } + + // Виведення результату + System.out.println("Результат: " + result); + } + + // Метод, який застосовує операцію О1 до двох чисел + public static double applyOperation(char j, char operation, double constant) throws Exception { + switch (operation) { + case '-': + return (double) j - constant; + case '/': + if (constant == 0.0) { + throw new ArithmeticException("C не може бути рівним нулю"); + } else { + return (double) j / constant; + } + default: + throw new Exception("Непідтримувана операція: " + operation); + } + } +} \ No newline at end of file diff --git a/lab1/lab1.pdf b/lab1/lab1.pdf new file mode 100644 index 0000000..3c875e7 Binary files /dev/null and b/lab1/lab1.pdf differ diff --git a/lab2/Matrix/.idea/.gitignore b/lab2/Matrix/.idea/.gitignore new file mode 100644 index 0000000..13566b8 --- /dev/null +++ b/lab2/Matrix/.idea/.gitignore @@ -0,0 +1,8 @@ +# Default ignored files +/shelf/ +/workspace.xml +# Editor-based HTTP Client requests +/httpRequests/ +# Datasource local storage ignored files +/dataSources/ +/dataSources.local.xml diff --git a/lab2/Matrix/.idea/.name b/lab2/Matrix/.idea/.name new file mode 100644 index 0000000..002da1d --- /dev/null +++ b/lab2/Matrix/.idea/.name @@ -0,0 +1 @@ +Main.java \ No newline at end of file diff --git a/lab2/Matrix/.idea/misc.xml b/lab2/Matrix/.idea/misc.xml new file mode 100644 index 0000000..7464918 --- /dev/null +++ b/lab2/Matrix/.idea/misc.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/.idea/modules.xml b/lab2/Matrix/.idea/modules.xml similarity index 54% rename from .idea/modules.xml rename to lab2/Matrix/.idea/modules.xml index f1a8c3c..8a85d50 100644 --- a/.idea/modules.xml +++ b/lab2/Matrix/.idea/modules.xml @@ -2,7 +2,7 @@ - + \ No newline at end of file diff --git a/lab2/Matrix/Matrix.iml b/lab2/Matrix/Matrix.iml new file mode 100644 index 0000000..c90834f --- /dev/null +++ b/lab2/Matrix/Matrix.iml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/lab2/Matrix/out/production/Matrix/Main.class b/lab2/Matrix/out/production/Matrix/Main.class new file mode 100644 index 0000000..c898a5c Binary files /dev/null and b/lab2/Matrix/out/production/Matrix/Main.class differ diff --git a/lab2/Matrix/src/Main.java b/lab2/Matrix/src/Main.java new file mode 100644 index 0000000..a0c3fbb --- /dev/null +++ b/lab2/Matrix/src/Main.java @@ -0,0 +1,58 @@ +import java.util.Arrays; + +public class Main { + public static void main(String[] args) { + byte[][] matrix = {{4, 7, 3}, {4, 7, 6}, {7, 10, 9}}; + + //C5 = 2501 mod 5 = 1, тому C = B^T (транспонування матриці) + //C7 = 2501 mod 7 = 1, тому тип елементів матриці має бути byte + //C11 = 2501 mod 11 = 10, тому треба знайти середнє значення елементів матриці + + // Виконуємо дію з матрицею: транспонування матриці B + byte[][] transposedMatrix = transposeMatrix(matrix); + System.out.println("Transposed matrix: "); + printMatrix(transposedMatrix); + + // Виконуємо дію з матрицею C: знаходимо середнє значення елементів матриці + double average = calculateAverage(transposedMatrix); + System.out.println("Cереднє значення елементів матриці: " + average); + } + + // Метод для транспонування матриці + private static byte[][] transposeMatrix(byte[][] matrix) { + int rows = matrix.length; + int columns = matrix[0].length; + + byte[][] transposedMatrix = new byte[columns][rows]; + + for (int i = 0; i < rows; i++) { + for (int j = 0; j < columns; j++) { + transposedMatrix[j][i] = matrix[i][j]; + } + } + + return transposedMatrix; + } + + // Метод для знаходження середнього значення елементів матриці + private static double calculateAverage(byte[][] matrix) { + int rows = matrix.length; + int columns = matrix[0].length; + + int sum = 0; + for (int i = 0; i < rows; i++) { + for (int j = 0; j < columns; j++) { + sum += matrix[i][j]; + } + } + + return (double) sum / (rows * columns); + } + + // Метод для виведення матриці на екран + private static void printMatrix(byte[][] matrix) { + for (byte[] row : matrix) { + System.out.println(Arrays.toString(row)); + } + } +} diff --git a/lab2/lab2.pdf b/lab2/lab2.pdf new file mode 100644 index 0000000..92e651c Binary files /dev/null and b/lab2/lab2.pdf differ diff --git a/lab3/OperationsStrings/.idea/.gitignore b/lab3/OperationsStrings/.idea/.gitignore new file mode 100644 index 0000000..13566b8 --- /dev/null +++ b/lab3/OperationsStrings/.idea/.gitignore @@ -0,0 +1,8 @@ +# Default ignored files +/shelf/ +/workspace.xml +# Editor-based HTTP Client requests +/httpRequests/ +# Datasource local storage ignored files +/dataSources/ +/dataSources.local.xml diff --git a/lab3/OperationsStrings/.idea/.name b/lab3/OperationsStrings/.idea/.name new file mode 100644 index 0000000..002da1d --- /dev/null +++ b/lab3/OperationsStrings/.idea/.name @@ -0,0 +1 @@ +Main.java \ No newline at end of file diff --git a/lab3/OperationsStrings/.idea/misc.xml b/lab3/OperationsStrings/.idea/misc.xml new file mode 100644 index 0000000..7464918 --- /dev/null +++ b/lab3/OperationsStrings/.idea/misc.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/lab3/OperationsStrings/.idea/modules.xml b/lab3/OperationsStrings/.idea/modules.xml new file mode 100644 index 0000000..32e9116 --- /dev/null +++ b/lab3/OperationsStrings/.idea/modules.xml @@ -0,0 +1,8 @@ + + + + + + + + \ No newline at end of file diff --git a/lab3/OperationsStrings/OperationsStrings.iml b/lab3/OperationsStrings/OperationsStrings.iml new file mode 100644 index 0000000..c90834f --- /dev/null +++ b/lab3/OperationsStrings/OperationsStrings.iml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/lab3/OperationsStrings/out/production/OperationsStrings/Main.class b/lab3/OperationsStrings/out/production/OperationsStrings/Main.class new file mode 100644 index 0000000..97fa6cc Binary files /dev/null and b/lab3/OperationsStrings/out/production/OperationsStrings/Main.class differ diff --git a/lab3/OperationsStrings/src/Main.java b/lab3/OperationsStrings/src/Main.java new file mode 100644 index 0000000..e4e71f0 --- /dev/null +++ b/lab3/OperationsStrings/src/Main.java @@ -0,0 +1,25 @@ +import java.util.HashSet; + +public class Main { + + public static void main(String[] args) { + String inputText = "Who are you? What is your name? Where are you from?"; + int targetLength = 3; + + try { + HashSet uniqueWords = new HashSet(); + String[] sentences = inputText.split("[?]"); + for (String sentence : sentences) { + String[] words = sentence.trim().split("\\s+"); + for (String word : words) { + if (word.length() == targetLength) { + uniqueWords.add(word.toLowerCase()); + } + } + } + System.out.println("Unique words of length " + targetLength + " in the input text are: " + uniqueWords); + } catch (Exception e) { + System.out.println("An error occurred: " + e.getMessage()); + } + } +} diff --git a/lab3/lab3.pdf b/lab3/lab3.pdf new file mode 100644 index 0000000..12fb76b Binary files /dev/null and b/lab3/lab3.pdf differ 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/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/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); - } -}