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沐宇首页 互联网技术知识问答 Java System.setProperty()鎬庝箞浣跨敤

Java System.setProperty()鎬庝箞浣跨敤

扬州沐宇科技
2023-08-18 05:54:30
Java

Java涓殑System.setProperty()鏂规硶鐢ㄤ簬璁剧疆绯荤粺灞炴€с€傚畠鐨勮娉曞涓嬶細

public static String setProperty(String key, String value)

鍏朵腑锛宬ey鏄璁剧疆鐨勫睘鎬х殑閿紝value鏄璁剧疆鐨勫睘鎬х殑鍊笺€?/p>

涓嬮潰鏄竴涓ず渚嬶細

public class Main {
public static void main(String[] args) {
// 璁剧疆绯荤粺灞炴€ava.version鐨勫€间负1.8
System.setProperty("java.version", "1.8");
// 鑾峰彇骞舵墦鍗癹ava.version鐨勫€?/span>
String javaVersion = System.getProperty("java.version");
System.out.println("Java Version: " + javaVersion);
}
}

杈撳嚭锛?/p> 

Java Version: 1.8

涓婅堪绀轰緥涓紝鎴戜滑棣栧厛浣跨敤System.setProperty()鏂规硶璁剧疆浜嗙郴缁熷睘鎬ava.version鐨勫€间负1.8锛岀劧鍚庝娇鐢⊿ystem.getProperty()鏂规硶鑾峰彇骞舵墦鍗颁簡java.version鐨勫€笺€?/p>

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