Symmetric matrix program in java
// symmetric matrix program in java import java.util.Scanner; public class SymmetricMatrixDemo { public static void main(String[] args) { Scanner sc = new Scanner(System.in); System.out.println("Please enter number of rows - "); int row = sc.nextInt(); System.out.println("Please enter number of columns - "); int col = sc.nextInt(); int symMatrix[][] = new int[row][col]; System.out.println("Please enter the elements - "); for(int x = 0; x < row; x++) { for(int y = 0; y < col; y++) { symMatrix[x][y] = sc.nextInt(); } } System.out.println("Now printing the input matrix - "); for(int x = 0; x < row; x++) { for(int y = 0; y < col; y++) { System.out.print(symMatrix[x][y] + "\t"); } System.out.println(); } // check if a matrix is symmetric if(row != col) { System.out.println("It's not a square matrix!!"); } else { boolean symmetricMatrix = true; for(int x = 0; x < row; x++) { for(int y = 0; y < col; y++) { if(symMatrix[x][y] != symMatrix[y][x]) { symmetricMatrix = false; break; } } } if(symmetricMatrix) { System.out.println("It's a symmetric matrix!!"); } else { System.out.println("It's not a symmetric matrix!!"); } } sc.close(); } }
