From 8f4a09cb1c2de33eeacbf0b50940a237da503898 Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Sat, 25 Apr 2026 14:32:25 +0800
Subject: [PATCH] =?UTF-8?q?day03-=E5=BE=AA=E7=8E=AF=E7=9A=84=E5=B5=8C?=
 =?UTF-8?q?=E5=A5=97?=
MIME-Version: 1.0
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---
 day03/src/com/inmind/control06/Demo15.java | 26 ++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 day03/src/com/inmind/control06/Demo15.java

diff --git a/day03/src/com/inmind/control06/Demo15.java b/day03/src/com/inmind/control06/Demo15.java
new file mode 100644
index 0000000..0b12d68
--- /dev/null
+++ b/day03/src/com/inmind/control06/Demo15.java
@@ -0,0 +1,26 @@
+package com.inmind.control06;
+/*
+循环的嵌套：外层循环执行一次，内层循环要执行一轮
+*/
+public class Demo15 {
+    public static void main(String[] args) {
+        //使用循环的嵌套，实现时钟的效果（一天有0~23小时，每小时有0~59分）
+        for (int i = 0; i < 24; i++) {//24小时
+            for (int j = 0; j < 60; j++) {//60分钟
+                System.out.println(i+"点"+j+"分");
+            }
+        }
+    }
+
+
+    //5行5列的矩形
+    public static void method(String[] args) {
+        //请大家打印一个5行5列的*
+        for (int i = 0; i < 5; i++) {
+            for (int j = 0; j < 5; j++) {
+                System.out.print("*");
+            }
+            System.out.println();
+        }
+    }
+}