Packages

 1.

A.java

package mypack;

import pack.*;

public class B {

    public static void main(String[] args) {

        A obj= new A();

        obj.show();

    }

   

}

 c

B.java

package pack;

public class A {

    public void show()

    {

        System.out.println("welcome to java");

    }

   

}

2:-

package pack;

public class A {

    public void show()

    {

        System.out.println("welcome to java");

    }

   

}

package mypack;

import pack.A;

public class B {

    public static void main(String[] args) {

        A obj= new A();

        obj.show();

    }

   

}

program :-3

B.java

package mypack;

public class B {

    public static void main(String[] args) {

        pack.A obj= new pack.A();

        obj.show();

    }

   

}

A.java

package pack;

public class A {

    public void show()

    {

        System.out.println("welcome to java");

    }

   

}

s

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