Properties

• Properties是一个map集合,继承HashTable,key和value都是String类型的
• Properties是一个属性类
• Properties是线程安全的

/*Properties pro = new Properties();
pro.setProperty("userName","jqc");
pro.setProperty("passWord","111");
System.out.println(pro.get("userName"));
System.out.println(pro.get("passWord"));*/
java