MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.security.KeyStore;

public class MainClass {
    public static void main(String args[]) throws Exception {
        char[] oldpass = args[0].toCharArray();
        char[] newpass = args[1].toCharArray();
        String name = "mykeystore";
        FileInputStream in = new FileInputStream(name);
        KeyStore ks = KeyStore.getInstance("JKS");
        ks.load(in, oldpass);
        in.close();
        FileOutputStream output = new FileOutputStream(name);
        ks.store(output, newpass);
        output.close();
    }
}