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How to import a package
There are two ways so that you can use the public classes stored in package.

How to import a package

There are two ways so that you can use the public classes stored in package.

Declaring the fully-qualified class name. For example,

mypackage.HelloWorld helloworld = new mypackage.HelloWorld();

Using an "import" keyword: For example,

import world.*; // we can call any public classes inside the mypackage package

Lets see an example importing the created package into the another program file.


package importpackage;



public class HelloWorld {


  public void show(){

    System.out.println("This is the function of the class HelloWorld!!");

  }

}

In this program the package "importpackage" is created under the "c:\nisha" directory that will be imported into another program file to call the function of the class "HelloWorld".
Now make a program file named "CallPackage" under the "c:\nisha" directory importing the package "importpackage".


import importpackage.*;

class CallPackage{ public static void main(String[] args){ HelloWorld h2=new HelloWorld(); h2.show(); } }

Out of the program:

C:\nisha\importpackage>javac *.java

C:\nisha\importpackage>cd..

C:\nisha>javac CallPackage.java

C:\nisha>java CallPackage
This is the function of the class HelloWorld!!

Make sure to the directory structure for this program shown as:

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