Creating a JAR file in Java

This section provides you to the creating a jar file through the java source code by using the jar tool command which is provided by the JDK (Java Development Kit).

Creating a JAR file in Java

This section provides you to the creating a jar file through the java source code by using the jar tool command which is provided by the JDK (Java Development Kit).

Creating a JAR file in Java

Creating a JAR file in Java

     

This section provides you to the creating a jar file through the java source code by using the jar tool command which is provided by the JDK (Java Development Kit). Here, you can learn how to use the jar command, which is used in the dos prompt, in the java source code to perform same operations.

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 Description:

Runtime:
Runtime is the class of java.lang.*; package of Java. This class helps application to interface with the environment in which the java application is running.

Runtime.getRuntime():
This method gets the current runtime environment.

Runtime.exec(String[] command):
This method helps you to run the command of that environment in which your java application is running.

Here is the code of the program:

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]);
  }
  }
}

Download this example.

Tutorials

  1. Java util package Examples
  2. Java Util Package - Utility Package of Java
  3. Generating Random Number
  4. Breaking the String into Words
  5. Listing all available Locales
  6. Setting the default Locale
  7. Associate a value with an object
  8. Comparing Arrays
  9. Shuffling the Element of a List or Array
  10. Collections Framework
  11. Collection Iterate Example
  12. Converting Collection to an Array
  13. Converting an Array to a Collection
  14. Implement the Queue in Java
  15. Implementing a Stack in Java
  16. Implementing a Least-Recently-Used(LRU) Cache
  17. Creating a Copy of a Collection
  18. Making a Collection Read-Only
  19. Sorting elements of a Collection
  20. Creating a Hash Table
  21. Finding an Element in a Sorted Array
  22. Read the Key-Value of Property File in Java
  23. Get All Keys and Values of the Properties files in Java
  24. Write the Keys and Values of the Properties files in Java
  25. Scheduling a Timer Task
  26. Getting the Current Time
  27. Getting Information of All Available Time Zones
  28. Getting the current date
  29. Determining the Number of Days in a Month
  30. Comparing Dates in Java
  31. Determining the actual age from date of birth in Java
  32. Determining If a Year is a Leap Year in Java
  33. Determining the Day-of-Week for a Particular Date
  34. What is a JAR file in Java
  35. Creating a JAR file in Java
  36. Viewing contents of a JAR File
  37. Listing the Main Attributes in a JAR File Manifest
  38. Creating a ZIP file in Java
  39. Listing Contents of a ZIP File
  40. Unzip a ZIP File