进阶day09-Properties与流相关的功能(从文件中读取配置文件信息)(重点)

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2026-03-21 16:00:48 +08:00
parent f64832ef33
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package com.inmind.properties06;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.util.Properties;
/*
Properties与流相关的功能从文件中读取键值对(重点)
public void load(InputStream inStream) 从字节输入流中读取键值对。
操作步骤:
1.创建一个.properties的配置文件(它里面都是键值对)
2.创建Properties对象
3.调用Properties对象的load方法
*/
public class PropertiesDemo19 {
public static void main(String[] args) throws Exception {
Properties properties = new Properties();
FileInputStream fis = new FileInputStream("demo.properties");
properties.load(fis);
System.out.println(properties);
}
}