JavaSE配置文件java.util.Properties单例模式Singleton

Posted 2020-06-12

PropertyMgr.java

 1 package config;
 2 
 3 import java.io.IOException;
 4 import java.util.Properties;
 5 
 6 public class PropertyMgr {
 7     
 8     private static final Properties props = new Properties();
 9     
10     static {
11         try {
12             props.load(PropertyMgr.class.getClassLoader().getResourceAsStream("config/tank.properties"));
13         } catch (IOException e) {
14             e.printStackTrace();
15         }
16     }
17 
18 　　private PropertyMgr() {}
19 
20     public static String getProperty(String key) {
21         return props.getProperty(key);
22     }
23 }

tank.properties

initTankCount=10