Generic Class

public class Box<T> {
    private T content;

    public void set(T content) {
        this.content = content;
    }

    public T get() {
        return content;
    }
}

public class GenericExample {
    public static void main(String[] args) {
        Box<Integer> integerBox = new Box<>();
        integerBox.set(10);
        System.out.println("Integer Value: " + integerBox.get());

        Box<String> stringBox = new Box<>();
        stringBox.set("Hello Generics");
        System.out.println("String Value: " + stringBox.get());
    }
}

Generic Method

public class Utilities {
    public static <T extends Comparable<T>> T findMax(T a, T b) {
        return a.compareTo(b) > 0 ? a : b;
    }
}

public class GenericMethodExample {
    public static void main(String[] args) {
        System.out.println("Max of 3 and 7: " + Utilities.findMax(3, 7));
        System.out.println("Max of 'apple' and 'orange': " + Utilities.findMax("apple", "orange"));
    }
}