54.import package for parotected data
/*
protected constructor modifier
protected method modifier
protected variable modifier
*/
save in p5 folder same directory
package p5;
public class book
{
protected int b_id;
protected book(int no)
{
b_id = no;
}
protected void show()
{
System.out.println("Show method of book class is called");
System.out.println("Book ID = " + b_id);
}
}
//save in p6 folder same directory
package p6;
import p5.*;
class child extends book
{
child (int n)
{
super(n);
}
void print()
{
show();
System.out.println("BookID = " + b_id);
}
}
class import_protected_data
{
public static void main(String[] args) {
child obj = new child(7);
obj.print();
}
}
/*
OUTPUT:
Book ID = 7
BookID = 7
compile & execute
- javac p5/book.java
- javac p6/import_protected_data.java
- java p6.import_protected_data
*/
Comments
Post a Comment