Java反编译工具JAD下载和使用

下载安装

下载网址：https://varaneckas.com/jad/

解压压缩包并把文件夹名称改为jad

配置环境变量

打开CMD测试

使用

编写测试代码

package interview;

public class TestJad {
    public static void print(String firstName, String lastName) {
        String fullName = firstName + lastName;
        System.out.println(fullName);
    }

    public static void main(String[] args) {
        print("ss","m");
    }
}

运行代码得到TestJad.class文件，打开cmd执行命令：jad .\TestJad.class

// Decompiled by Jad v1.5.8g. Copyright 2001 Pavel Kouznetsov.
// Jad home page: http://www.kpdus.com/jad.html
// Decompiler options: packimports(3) 
// Source File Name:   TestJad.java

package interview;

import java.io.PrintStream;

public class TestJad
{

    public TestJad()
    {
    }

    public static void print(String firstName, String lastName)
    {
        String fullName = (new StringBuilder()).append(firstName).append(lastName).toString();
        System.out.println(fullName);
    }

    public static void main(String args[])
    {
        print("ss", "m");
    }
}