package dataEncapsulation;

public class CatMain
{

	public static void main(String[] args)
	{
		CatNew cat1 = new CatNew("Catty", "red", 4);
//		System.out.println(cat1.name);

		String colour = cat1.getCoulur();
		System.out.println(colour);
		cat1.eat();

	}

}

package dataEncapsulation;

public class CatNew
{

	private String name;
	private String colour;
	private int age;
//	String name;
//	String colour;
//	int age;

	public CatNew(String name, String colour, int age)// 注意public后面不能加void
	{
		this.name = name;
		this.colour = colour;
		this.age = age;
	}

	public String getCoulur()
	{
		return colour;
	}

	public void eat()
	{
		System.out.println("yumy!");
	}
}