new

Author: Sbiswas001

out/production/ComputerProject/com/sbiswas001/twelveproject/ArmstrongNumber.class

@@ -5,6 +5,8 @@
 /**
  * This class checks if a string is palindrome or not.
  * A string is palindrome if it is read same from both sides.
+ * @author Sayan Biswas
+ * @version 25.04.2022
  */
 public class PalindromeString {
 

out/production/ComputerProject/com/sbiswas001/twelveproject/DateRepresentation.class

@@ -1,4 +1,88 @@
 package com.sbiswas001.twelveproject;
 
+import java.util.Scanner;
+
+/**
+ * This class transposes a matrix.
+ * Transpose of a matrix is formed by interchanging
+ * the rows and columns of the matrix.
+ * @author Sayan Biswas
+ * @version 25.04.2022
+ */
 public class Transpose {
+    /**
+     * Stores the matrix
+     */
+    private int[][] mat;
+
+    /**
+     * Stores order of matrix
+     */
+    private int order;
+
+    /**
+     * Initializes instance variables
+     */
+    private Transpose() {
+        mat = null;
+        order = 0;
+    }
+
+    /**
+     * Inputs number of rows and columns of a matrix
+     * and the elements of the matrix.
+     */
+    private void input() {
+        Scanner sc = new Scanner(System.in);
+        System.out.print("Enter order of the square matrix: ");
+        order = Integer.parseInt(sc.nextLine());
+        mat = new int[order][order];
+        System.out.println("Enter the elements of the matrix: ");
+        for(int i = 0; i < order; i++) {
+            for(int j = 0; j < order; j++) {
+                mat[i][j] = Integer.parseInt(sc.next());
+            }
+        }
+    }
+
+    /**
+     * Transposes the matrix
+     */
+    private void compute() {
+        int temp;
+        for(int i = 0; i < mat.length; i++) {
+            for (int j = i; j < mat[0].length; j++) {
+                temp = mat[i][j];
+                mat[i][j] = mat[j][i];
+                mat[j][i] = temp;
+            }
+        }
+    }
+
+    /**
+     * Prints a two-dimensional array
+     * @param a The array to be printed
+     */
+    private void display(int[][] a) {
+        for(int i = 0; i < a.length; i++) {
+            for(int j = 0; j < a[0].length; j++) {
+                System.out.print(a[i][j]+" ");
+            }
+            System.out.println();
+        }
+    }
+
+    /**
+     * Calls other methods
+     * @param args Arguments passed to main method
+     */
+    public static void main(String[] args) {
+        Transpose ob = new Transpose();
+        ob.input();
+        System.out.println("Entered matrix is: ");
+        ob.display(ob.mat);
+        ob.compute();
+        System.out.println("Transpose of matrix is ");
+        ob.display(ob.mat);
+    }
 }