?? systemproperties.java
字號(hào):
import java.util.*;public class SystemProperties{ public static void main(String arvg[]) { Properties p = System.getProperties(); Enumeration enume= p.propertyNames(); String propertyName=""; String property=""; while (enume.hasMoreElements()) { propertyName = (String) enume.nextElement(); property = p.getProperty(propertyName); System.out.println("Property '"+propertyName+ "' = '"+property+"'"); } }}?? 快捷鍵說明
復(fù)制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號(hào)
Ctrl + =
減小字號(hào)
Ctrl + -