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Delete OOP/Java/Lab/matrix_threaded.java

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Aadit Agrawal 2024-10-14 09:29:07 +05:30
parent 1b5dc8d861
commit a178d96e2a
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OOP/Java/Lab/matrix_threaded.java
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import java.util.Scanner;
class Matrix {
static int[][] matrix;
Matrix(int rows, int columns) {
matrix = new int[rows][columns];
Scanner sc = new Scanner(System.in);
System.out.println("Enter the values");
for (int i = 0; i < rows; i++) {
for (int j = 0; j < columns; j++) {
matrix[i][j] = sc.nextInt();
}
}
}
}
class DisplayMatrixThread extends Thread {
static int[][] matrix;
DisplayMatrixThread(Matrix matrixObj) {
matrix = Matrix.matrix;
}
public void run() {
for (int[] row : matrix) {
for (int value : row) {
System.out.print(value + "\t");
}
System.out.println();
}
}
}
class TransposeMatrixThread extends Thread {
int[][] matrix;
TransposeMatrixThread(Matrix matrixObj) {
matrix = matrixObj.matrix;
}
public void run() {
int rows = matrix.length;
int columns = matrix[0].length;
for (int j = 0; j < columns; j++) {
for (int i = 0; i < rows; i++) {
System.out.print(matrix[i][j] + "\t");
}
System.out.println();
}
}
}
class MaxValueThread extends Thread {
static int[][] matrix;
MaxValueThread(Matrix matrixObj) {
matrix = Matrix.matrix;
}
public void run() {
int max = matrix[0][0];
for (int[] row : matrix) {
for (int value : row) {
if (value > max) {
max = value;
}
}
}
System.out.println("Maximum value in the matrix: " + max);
}
}
class PrincipalDiagonalThread extends Thread {
static int[][] matrix;
PrincipalDiagonalThread(Matrix matrixObj) {
matrix = Matrix.matrix;
}
public void run() {
int rows = matrix.length;
int columns = matrix[0].length;
System.out.print("Principal Diagonal Elements: ");
for (int i = 0; i < Math.min(rows, columns); i++) {
System.out.print(matrix[i][i] + " ");
}
System.out.println();
}
}
class NonDiagonalThread extends Thread {
static int[][] matrix;
NonDiagonalThread(Matrix matrixObj) {
matrix = Matrix.matrix;
}
public void run() {
int rows = matrix.length;
int columns = matrix[0].length;
System.out.print("Non-Diagonal Elements: ");
for (int i = 0; i < rows; i++) {
for (int j = 0; j < columns; j++) {
if (i != j) {
System.out.print(matrix[i][j] + " ");
}
}
}
System.out.println();
}
}
class ThreadMatrix {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
System.out.println("Enter the no. of rows and columns");
int rows = sc.nextInt();
int columns = sc.nextInt();
Matrix matrixObj = new Matrix(rows, columns);
DisplayMatrixThread t1 = new DisplayMatrixThread(matrixObj);
TransposeMatrixThread t2 = new TransposeMatrixThread(matrixObj);
MaxValueThread t3 = new MaxValueThread(matrixObj);
PrincipalDiagonalThread t4 = new PrincipalDiagonalThread(matrixObj);
NonDiagonalThread t5 = new NonDiagonalThread(matrixObj);
try {
t1.start();
System.out.println("\nThread t1 is alive: " + t1.isAlive());
t1.join();
t2.start();
System.out.println("\nThread t2 is alive: " + t2.isAlive());
t2.join();
t3.start();
System.out.println("\nThread t3 is alive: " + t3.isAlive());
t3.join();
t4.start();
System.out.println("\nThread t4 is alive: " + t4.isAlive());
t4.join();
t5.start();
System.out.println("\nThread t5 is alive: " + t5.isAlive());
t5.join();
} catch (InterruptedException e) {
e.printStackTrace();
}
System.out.println("\nThread t1 is alive: " + t1.isAlive());
System.out.println("Thread t2 is alive: " + t2.isAlive());
System.out.println("Thread t3 is alive: " + t3.isAlive());
System.out.println("Thread t4 is alive: " + t4.isAlive());
System.out.println("Thread t5 is alive: " + t5.isAlive());
System.out.println("\nMain thread exits.");
}
}