Java循环语句详解：for、while、do while示例及应用

public class LoopTest {

    @Test
    public void test1() {
        System.out.println('牛逼了');
    }

    @Test
    public void test2() {
        int i = 0;
        while (i < 10) {
            System.out.println('i=' + i);
            i++;
        }
    }

    @Test
    public void test3() {
        int i = 0;
        do {
            System.out.println('i=' + i);
            i++;
        } while (i < 10);
    }

    @Test
    public void test4() {
        for (int i = 0; i < 10; i++) {
            System.out.println('i=' + i);
        }
    }

    @Test
    public void test5() {
        for (int i = 0; i < 10; i++) {
            if (i % 2 == 0) {
                System.out.println('i=' + i);
            }
        }
    }

    @Test
    public void test6() {
        for (int i = 0; i < 10; i++) {
            if (i % 2 == 0) {
                System.out.println('i=' + i);
            } else {
                break;
            }
        }
    }

    @Test
    public void test7() {
        for (int i = 0; i < 10; i++) {
            if (i % 2 == 0) {
                System.out.println('i=' + i);
            } else {
                continue;
            }
        }
    }

    @Test
    public void test8() {
        //求1-100之间所有偶数的和
        int sum = 0;
        for (int i = 1; i <= 100; i++) {
            if (i % 2 == 0) {
                sum += i;//sum=sum+i
            }
        }
        System.out.println('sum=' + sum);
    }

    @Test
    public void test9() {
        //输出九九乘法表
        for (int i = 1; i <= 9; i++) {
            for (int j = 1; j <= i; j++) {
                System.out.print(i + 'x' + j + '=' + i * j + '	');
            }
            System.out.println();
        }
    }

}