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  1.  
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. class Author{
  8.  String authorName;
  9.  int age;
  10.  String place;
  11.  Author(String name,int age,String place){
  12.   this.authorName=name;
  13.   this.age=age;
  14.   this.place=place;
  15.  }
  16.  public String getAuthorName(){
  17.   return authorName;
  18.  }
  19.  public int getAge(){
  20.   return age;
  21.  }
  22.  public String getPlace(){
  23.   return place;
  24.  }
  25. }
  26.  
  27. class Book{
  28.  String name;
  29.  int price;
  30.  Author auth;
  31.  Book(String n,int p,Author at){
  32.   this.name=n;
  33.   this.price=p;
  34.   this.auth=at;
  35.  }
  36.  public void showDetail(){
  37.   System.out.println("Book is"+name);
  38.   System.out.println("price "+price);
  39.   System.out.println("Author is "+auth.getAuthorName());
  40.  }
  41. }
  42.  
  43. class Test{
  44.  public static void main(String args[]){
  45.   Author ath=new Author("Me",22,"India");
  46.   Book b=new Book("Java",550,ath);
  47.   b.showDetail();
  48.  }
  49. }
Success #stdin #stdout 0.04s 4386816KB
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Book isJava
price 550
Author is Me
https://ideone.com/CUGd35
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
secret

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