BaseInterface.java Source code

Introduction

Here is the source code for BaseInterface.java

Source

import java.util.*;

interface BaseInterface<A> {
    A getInfo();
}

class ParentClass implements BaseInterface<Integer> {
    public Integer getInfo() {
        return (null);
    }
}

class ChildClass extends ParentClass implements BaseInterface<String> {
}

public class BadParents {
    public static void main(String args[]) {
        Vector<Integer> v1 = new Vector<Integer>();
        Vector v2;

        v1 = v2;
        v2 = v1;
    }
}