public class GenTest2{
    public static void main(String[] args){

        GenObj<String> gs = new GenObj<String>();
        gs.setValue("zhangsan");
        System.out.println(gs);

        GenObj<Double> gv = new GenObj<Double>();
        gv.setValue(120.0);
        System.out.println(gv);
    }

}

class GenObj<T>{
    T value;

    public T getValue(){
        return value;
    }

    public void setValue(T v){
       value = v;
    }

    public String toString(){
        return "GenObj=[" + value + "]";
    }
}

public class GenTest2{
    public static void main(String[] args){

        GenObj<String> gs = new GenObj<String>();
        gs.setValue("zhangsan");
        System.out.println(gs);

        GenObj<Double> gv = new GenObj<Double>();
        gv.setValue(120.0);
        System.out.println(gv);
    }

}

class GenObj<T>{
    T value;

    public T getValue(){
        return value;
    }

    public void setValue(T v){
       value = v;
    }

    public String toString(){
        return "GenObj=[" + value + "]";
    }
}