From 730e6a85927a6febd59f432ae955560b2ca1c07f Mon Sep 17 00:00:00 2001
From: seahi <me@seahi.me>
Date: Sun, 10 Nov 2024 21:32:32 +0800
Subject: [PATCH] System.getProperties

---
 src/chapter5/Example12.java | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 src/chapter5/Example12.java

diff --git a/src/chapter5/Example12.java b/src/chapter5/Example12.java
new file mode 100644
index 0000000..bf30d61
--- /dev/null
+++ b/src/chapter5/Example12.java
@@ -0,0 +1,17 @@
+package chapter5;
+
+import java.util.Enumeration;
+import java.util.Properties;
+
+public class Example12 {
+    public static void main(String[] args) {
+        // 获取当前系统信息
+        Properties prop = System.getProperties();
+        Enumeration names = prop.propertyNames();
+        while (names.hasMoreElements()) {
+            String key = (String) names.nextElement();
+            String value = prop.getProperty(key);
+            System.out.println(key + "=" + value);
+        }
+    }
+}