From 5a0ddcb434f3ab4b02e9144298af071fb91bd8b9 Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Tue, 15 Sep 2026 13:56:43 +0800
Subject: [PATCH] =?UTF-8?q?day02--=E8=BF=90=E7=AE=97=E7=AC=A6=5F=E9=80=BB?=
 =?UTF-8?q?=E8=BE=91=E8=BF=90=E7=AE=97=E7=AC=A6=E5=92=8C=E7=9F=AD=E8=B7=AF?=
 =?UTF-8?q?=E6=95=88=E6=9E=9C?=
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---
 day02/src/com/inmind/operator02/Demo11.java | 33 +++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 day02/src/com/inmind/operator02/Demo11.java

diff --git a/day02/src/com/inmind/operator02/Demo11.java b/day02/src/com/inmind/operator02/Demo11.java
new file mode 100644
index 0000000..161d170
--- /dev/null
+++ b/day02/src/com/inmind/operator02/Demo11.java
@@ -0,0 +1,33 @@
+package com.inmind.operator02;
+/*
+运算符_逻辑运算符
+&& : 双与  短路与   并且
+|| ：双或  短路或	或者
+!  : 非             取反
+
+短路效果：双与与双或的短路效果(只要已经有确定的结果，就不要做多余的操作)
+*/
+public class Demo11 {
+    public static void main(String[] args) {
+        //双与：一假即假(并且)
+        System.out.println(true&&true);//true
+        System.out.println(true&&false);//false
+        System.out.println(false&&false);//false
+
+        //双或:一真即真
+        System.out.println(true||true);//true
+        System.out.println(true||false);//true
+        System.out.println(false||true);//true
+        System.out.println(false||false);//false
+        //非:取反
+        System.out.println(!false);//true
+        System.out.println(!!false);//false
+
+        System.out.println("------------------------------");
+        int a = 10;
+        int b = 20;
+        System.out.println((++a > 10)  || (++b > 20));//true
+        System.out.println(a);//11
+        System.out.println(b);//20
+    }
+}