Properties集合
总结于尚硅谷学习视频
PropertiesTest类
package com.day0308_1; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; import java.util.Properties; public class PropertiesTest { //Properties:常用来处理配置文件。key和value都是String类型 public static void main(String[] args) { FileInputStream fis= null; try { Properties pros=new Properties(); fis = new FileInputStream("jdbc.properties"); pros.load(fis);//加载流对应的文件 String name = pros.getProperty("name"); String password = pros.getProperty("password"); System.out.println("name="+name+",password="+password); } catch (IOException e) { e.printStackTrace(); }finally { if(fis!=null) { try { fis.close(); }catch (IOException e){ e.printStackTrace(); } } } } }