摘要: 打印5行三角形: package com.cheng.struct;​public class TestDemo01 { public static void main(String[] args) { for (int i = 1; i <= 5; i++) {//i代表行数 有5行 for (i 阅读全文
posted @ 2021-05-25 21:01 Dudo1 阅读(58) 评论(0) 推荐(0)
摘要: BreakAndContinue: Break: package com.cheng.struct;​public class BreakDemo01 { public static void main(String[] args) { for (int i = 0; i < 100; i++) { 阅读全文
posted @ 2021-05-25 20:26 Dudo1 阅读(47) 评论(0) 推荐(0)
摘要: 增强for循环: package com.cheng.struct;​public class IfDemo01 { public static void main(String[] args) { //增强for循环 int[] numbers = {10,20,30,40,50}; for(in 阅读全文
posted @ 2021-05-25 20:10 Dudo1 阅读(43) 评论(0) 推荐(0)
摘要: while等循环: package com.cheng.struct;​public class WhileDemo01 { public static void main(String[] args) { int i = 0; int sum = 0; while (i<100){//循环求1+2 阅读全文
posted @ 2021-05-25 17:45 Dudo1 阅读(220) 评论(1) 推荐(0)
摘要: IF: if-else: package com.cheng.struct;​import java.util.Scanner;​public class Demo01 { public static void main(String[] args) { Scanner scanner = new 阅读全文
posted @ 2021-05-25 14:44 Dudo1 阅读(80) 评论(0) 推荐(0)