Java之补充集合 Properties 的使用
其他
2021-12-15 17:26:40
阅读次数: 0
Properties
- Properties : 属性集合
- 特点
- 存储属性名和属性值
- 属性名和属性值都是字符串类型
- 没有泛型
- 和流有关
Properties 的使用
-
public class Demo02 {
public static void main(String[] args)throws Exception {
Properties properties = new Properties();
properties.setProperty("username","zhangsan");
properties.setProperty("age","20");
System.out.println(properties.toString());
Set<String> pronames = properties.stringPropertyNames();
for (String pro : pronames){
System.out.println(pro+"==="+properties.getProperty(pro));
}
Properties properties2 = new Properties();
FileInputStream fis = new FileInputStream("d:\\store.properties");
properties2.load(fis);
fis.close();
System.out.println(properties2.toString());
}
}
转载自blog.csdn.net/xiaoxiaobaie/article/details/121957289