Java – Generic Class Example

November 25, 2010 | By Prasanna Sherekar

Filed in: Generics | Tags: Generic, Generic Class

public class Box {

    private T t;

    public void add(T t) {
        this.t = t;
    }

    public T get() {
        return t;
    }

    public static void main(String[] args) {
        Box integerBox = new Box();
        Box stringBox = new Box();

        integerBox.add(new Integer(10));
        stringBox.add(new String("Hello World"));

        System.out.printf("Integer Value :%d\n\n", integerBox.get());
        System.out.printf("String Value :%s\n", stringBox.get());
    }
}

public class Box {

private T t;

public void add(T t) {

this.t = t;

}

public T get() {

return t;

}

public static void main(String[] args) {

Box integerBox = new Box();

Box stringBox = new Box();

integerBox.add(new Integer(10));

stringBox.add(new String("Hello World"));

System.out.printf("Integer Value :%d\n\n", integerBox.get());

System.out.printf("String Value :%s\n", stringBox.get());

}

Output:

Integer Value :10
String Value :Hello World