Main.java

/*****************************************************************************
 * Copyright 2011 Zdenko Vrabel
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 *****************************************************************************/
class Trest<T> {

    public T getTrest() {
        return null;
    }
}

class TrestInt extends Trest<Integer> {

    @Override
    public Integer getTrest() {
        return 1;
    }
}

class TrestString extends Trest<String> {

    @Override
    public String getTrest() {
        return "asd";
    }
}

/**
 * This class exists for debugging and testing
 * purpose.
 *
 */
public class Main {

    public static void main(String[] args) {
        try {
            Trest<?> x = new TrestInt();
            x.getTrest();


        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}