From e28ff169ecfc60f8db8652e79d7464b3ff93fd10 Mon Sep 17 00:00:00 2001
From: Wonder <hezhaohui0807@163.com>
Date: Sun, 28 Sep 2025 17:19:31 +0800
Subject: [PATCH] =?UTF-8?q?=20=F0=9F=94=84Update:=20JVM?=
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 JVM/3. 字符串常量池.md | 19 +++++++++++++++++++
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 create mode 100644 JVM/3. 字符串常量池.md

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+# 字符串常量池
+
+- 对象创建
+  - 常量池（元空间 直接内存）
+  - 堆
+- 优点
+  - 字符串频繁使用
+
+> Q: String s = new String("Hello"); 创建了几个对象？
+>
+> A: 创建两个
+
+> Q: String s1 = "Hello"; 创建了几个对象？
+>
+> A: 创建一个
+
+> Q: String s2 = "Hello"; 创建了几个对象？
+>
+> A: 创建零个
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