From e2d7c606f98ba5f795d787504e450c61f07cc168 Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Fri, 16 Jan 2026 11:25:09 +0800
Subject: [PATCH] =?UTF-8?q?day03-=E6=B5=81=E7=A8=8B=E6=8E=A7=E5=88=B6?=
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---
 .../src/com/inmind/circle_diff06/Demo11.java  | 38 +++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 day03/src/com/inmind/circle_diff06/Demo11.java

diff --git a/day03/src/com/inmind/circle_diff06/Demo11.java b/day03/src/com/inmind/circle_diff06/Demo11.java
new file mode 100644
index 0000000..4ab88a6
--- /dev/null
+++ b/day03/src/com/inmind/circle_diff06/Demo11.java
@@ -0,0 +1,38 @@
+package com.inmind.circle_diff06;
+/*
+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 ,流数据
+        while：io流
+        do-while:当循环体必须执行一次的时候
+
+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) {
+        System.out.println("-------------for---------------");
+        for (int j = 100; j <= 10; j++) {
+            System.out.println(j);
+        }
+        int j = 10;
+
+        System.out.println(j);
+        System.out.println("-------------while---------------");
+        int i = 100;
+        while(i<=10){
+            System.out.println(i);
+            i++;
+        }
+        System.out.println(i);
+        System.out.println("-------------do-while---------------");
+        //1~10
+        int k = 100;
+        do{
+            System.out.println(k);
+            k++;
+        }while(k <=10);
+        System.out.println(k);
+    }
+}