class Thing<T> {
    // declare an object of the parameterized type
    private T object;

    // can be used in parameter lists and returns too
    public Thing(T object) {
        this.object = object;
    }

    public T get() {
        return object;
    } 
}

public class Generic {
    public static void main(String args[]) {
        // make one to hold some different things
        Thing<Integer> number = new Thing<Integer>(7);
        Thing<String> message = new Thing<String>("Hello!");

        for (int i = 0; i < number.get(); i++) {
            System.out.println(message.get());
        }
    }
}