package com.itcast.demo04.Prop;import jdk.internal.util.xml.impl.ReaderUTF8;import sun.nio.cs.UTF_32;import sun.nio.cs.ext.GBK;import java.io.FileNotFoundException;import java.io.FileReader;import java.io.FileWriter;import java.io.IOException;import java.util.Properties;import java.util.Set;/** * @author newcityman * @date 2019/7/28 - 12:50 */public class Demo01Properties {public static void main(String[] args) throws IOException {// show01();// show02(); show03(); }private static void show03() throws IOException { Properties prop = new Properties(); prop.load(new FileReader("day18_IOAndProperties\\prop.txt")); Set<String> key = prop.stringPropertyNames(); for (String s : key) { String value = prop.getProperty(s); System.out.println(s+"==>"+value); } }private static void show02() throws IOException { Properties prop = new Properties(); prop.setProperty("张曼玉","16"); prop.setProperty("张学友","20"); prop.setProperty("刘德华","18"); FileWriter fw = new FileWriter("day18_IOAndProperties\\prop.txt"); prop.store(fw, "data"); }private static void show01() { Properties prop = new Properties(); prop.setProperty("zmy","12"); prop.setProperty("zyy","20"); prop.setProperty("lm","15"); prop.setProperty("zgh","16"); Set<String> strings = prop.stringPropertyNames(); for (String key : strings) { String value = prop.getProperty(key); System.out.println(key+"====>"+value); } }}
转载于:https://www.cnblogs.com/newcityboy/p/11258934.html
相关资源：JAVA上百实例源码以及开源项目
