java_类泛型基本实例

package ming;

public class Apple2<T> {

	public T info;

	public Apple2(T info) {
		this.info = info;
	}
	
	public T getInfo() {
		return info;
	}

	public void setInfo(T info) {
		this.info = info;
	}

	public static void main(String[] args) {
		//T 实际类型是String
		Apple2<String> a1 = new Apple2<String>("苹果");
		
		System.out.println(a1.getInfo());
		
		Apple2<Double> a2 = new Apple2<Double>(1.23);
		
		System.out.println(a2.getInfo());
		
	}

}