Java泛型的继承和实现操作示例

class A<E> {
  E t;
}
public class B<T,T1>extends A<T>{
  public static void main(String[] args){
    System.out.println("B test");
  }
}

interface IT<E> {
  public E dis();
}
public class testIT<E> implements IT<E> {
  E e;
  public testIT( E e ) {
    this.e = e;
  }
  public E dis() {
    return e;
  }
  public static void main( String[] args ) {
    testIT<String> tt = new testIT<String>("test");
    System.out.println(tt.dis());
  }
}