From 5b55501c8344bff8893f1443de4167fb840ccaad Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Sat, 25 Apr 2026 13:34:47 +0800
Subject: [PATCH] =?UTF-8?q?day03-=E5=BE=AA=E7=8E=AF=E6=B5=81=E7=A8=8B--?=
 =?UTF-8?q?=E4=B8=89=E7=A7=8D=E5=BE=AA=E7=8E=AF=E7=9A=84=E5=8C=BA=E5=88=AB?=
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---
 day03/src/com/inmind/dowhile05/Demo11.java | 36 ++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 day03/src/com/inmind/dowhile05/Demo11.java

diff --git a/day03/src/com/inmind/dowhile05/Demo11.java b/day03/src/com/inmind/dowhile05/Demo11.java
new file mode 100644
index 0000000..334c7c1
--- /dev/null
+++ b/day03/src/com/inmind/dowhile05/Demo11.java
@@ -0,0 +1,36 @@
+package com.inmind.dowhile05;
+/*
+        三种循环的区别：
+        使用场景：
+                for:数组的遍历，集合的遍历，字符串的遍历 (最常用)
+                while：io流
+                do-while:当循环体必须执行一次的时候（比较少）
+
+        不同之处：
+                当循环变量，直接不符合循环条件时，do-while一定会执行一次循环体
+                for循环的循环变量，超出for的范围不能使用,就像没定义过一样
+*/
+public class Demo11 {
+    public static void main(String[] args) {
+        //要求学生倒着数：100~1
+        for(int j = -100;j>=1;j--){
+            System.out.println("跑了第"+j+"圈");
+        }
+
+
+        //打印1~10
+        int i = 11;
+        while(i<=10){
+            System.out.println(i);
+            i++;
+        }
+
+
+        //打印1~10
+        int k = 13;
+        do{
+            System.out.println(k);
+            k++;
+        }while(k<=10);
+    }
+}