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();
                }

            }
        }



    }
}