泛型的嵌套

最新推荐文章于 2024-04-22 08:37:00 发布

原创最新推荐文章于 2024-04-22 08:37:00 发布 · 355 阅读

0 ·

CC 4.0 BY-SA版权

java 专栏收录该内容

232 篇文章

订阅专栏

public class GenericA<T>
{
	private GenericB<T>  a;
	

	public GenericB<T> getA()
	{
		return a;
	}


	public void setA(GenericB<T> a)
	{
		this.a = a;
	}


	public static void main(String[]args)
	{
		GenericA<Integer> test=new GenericA();
		GenericB<Integer> b=new GenericB<Integer>();
		b.setX(new Integer(-10));
		test.setA(b);
		System.out.println(test.a.getX());
		
	}
}
class GenericB<T>
{
	private T x;

	public T getX()
	{
		return x;
	}

	public void setX(T x)
	{
		this.x = x;
	}
	
}