Creating a JAR file in Java

Following program is given for best illustration about using the dos used command in the java source code to perform the appropriate tasks. This program has been used the jar command "jar cf jar-file-name directory-name" in the source code to create a jar file for the given directory. You can also specify the file name(s) to collect it into the jar file format.

Code:

import java.io.*;

public class CreateJar{
  public static void main(String[] args) throws IOException{
    if(args.length <= 0){
      System.out.println("Please enter the command.");
      System.exit(0);
    }
    else{
      Runtime.getRuntime().exec(args[0] + " " + args[1] + " " + args[2] + " " + args[3]);
    }
  }
} 

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M. S. Rakha, Ph.D.
Queen's University
Canada

Author: DrRakha
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