java读取配置文件

java读取配置文件

package com.wpc.property;

import java.io.*;
import java.util.Properties;

/**
 * @author wangpeican
 * @date 2021/6/4 23:44
 */
public class ReadProperty {
    public static void main(String[] args) throws FileNotFoundException {
        readProperty1();
    }

    //方法一
    private static void readProperty1() throws FileNotFoundException {
        Properties properties = new Properties();
        String path = "/home/wpc/Ubuntu/conf/app.properties";
        File file = new File(path);
        FileInputStream fileInputStream = new FileInputStream(file);
        InputStream in = fileInputStream;
        try {
            properties.load(in);
        } catch (IOException e) {
            e.printStackTrace();
        }
        System.out.println(properties.get("test1"));
    }
}

配置文件test.properties

test1=89

输出结构

89