Java的三种循环嵌套--九九乘法表

版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/redsoft_mymuch/article/details/52873467

package pers.redsoft.java.test.base;

/**
 * 3种循环嵌套--九九乘法表
 * 
 * @author redsoft
 *
 */
public class Multiplication {

    /**
     * 主方法
     * 
     * @param args
     */
    public static void main(String[] args) {
        System.out.println("============for==================");
        for (int i = 1; i <= 9; i++) {
            for (int j = 1; j <= i; j++) {
                System.out.print(j + "*" + i + "=" + j * i + "\t");
            }
            System.out.println();
        }
        System.out.println("=============while=================");
        int a = 1;
        while (a <= 9) {
            int b = 1;
            while (b <= a) {
                System.out.print(b + "*" + a + "=" + b * a + "\t");
                b++;
            }
            a++;
            System.out.println();
        }

        System.out.println("=============do while=================");
        int c = 1;
        do {
            int d = 1;
            do {
                System.out.print(d + "*" + c + "=" + d * c + "\t");
                d++;
            } while (d <= c);
            c++;
            System.out.println();
        } while (c <= 9);
    }
}