Loop1.java

package main.com.devsharing.loop;

public class LoopExample1 {
	public static void main(String[] args) {
		int num = 2;
		for(int j=1; j<=12; j++) {
			System.out.println(num + " x " + j + "  = " + num*j);
		}
	}
}

Loop2.java

public class LoopExample2 {
    public static void main(String[] args) {
		int num = 12;
		for(int i = 2; i <= num; i++) {
		    for(int j = 1; j <= 12; j++) {
			System.out.println(i + " x " + j + "  = " + i*j);
		    }
		    System.out.print("\n");
		}
    }
}

Loop3.java

import java.util.Scanner;
public class LoopExample3 {
    public static void main(String[] args) {
	    Scanner scan = new Scanner(System.in);
	    System.out.print("เลือกจำนวนสูตรคูณ : ");
	    int num = scan.nextInt();
	    for(int i = 2; i <= num; i++) {
	    	for(int j = 1; j <= 12; j++) {
	    	    System.out.println(i + " x " + j + "  = " + i*j);
	    	}
		System.out.print("\n");
	    }

	    scan.close();
    }
}

main.java

public class Main {
    public static void main(String[] args) {
        System.out.println("Hello World");
        System.out.println("Why can't change indent size ?");
    }
}