Java 面向对象技术

class Person
{
	public int age;
	public void eat()
	{
		System.out.println("Eatinh...");	
	}
	public void sleep()
	{
		System.out.println("Sleeping...");	
	}	
}
public class Earth
{
	public static void main(String[] args)
	{
		Person person1 = new Person();
		Person person2;
		person2 = new Person();
		person1.age = 18;
		System.out.println("person1:" + person1.age);
		System.out.println("person2:" + person2.age);
		person1.eat();
		person2.sleep();	
	}	
}

来源: http://www.bubuko.com/infodetail-3361426.html