Rahandi

public class Binatang {
    public void begerak(){
        System.out.println("Binatang bergerak sesuai kemampuannya");
    }
    public void berkembangBiak(){
        System.out.println("Binatang berkembang biak sesuai kemampuannya");
    }

}

Rahandi

public class ClockDisplay
{
private NumberDisplay hours;
private NumberDisplay minutes;
private String displayString; // simulates the actual display
/**
* Constructor for ClockDisplay objects. This constructor
* creates a new clock set at 00:00.
*/
public ClockDisplay()

Rahandi

/*
Exercie 2.83
*/
public class Book
{
    // The fields.
    private String author;
    private String title;
    /**
    * Set the author and title fields when this object