Book.java

public class Book {
	private String name;
	private String author;
	private int publishingDate;
	private int age;

	public Book(String name, String author, int publishingDate, int age){
		this.name = name;
		this.author = author;
		this.publishingDate = publishingDate;
		this.age = age;
	}

	public void printBook(){
		System.out.println(name + " by " + author);
	}

	public void increaseAge(){
		age++;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public String getAuthor() {
		return author;
	}

	public void setAuthor(String author) {
		this.author = author;
	}

	public int getPublishingDate() {
		return publishingDate;
	}

	public void setPublishingDate(int publishingDate) {
		this.publishingDate = publishingDate;
	}

	public int getAge() {
		return age;
	}

	public void setAge(int age) {
		this.age = age;
	}
}