How to create a Java class, similar to a C++ template class?

Question

How do I write an equivalent of this in Java?

// C++ Code

template< class T >
class SomeClass
{
private:
  T data;

public:
  SomeClass()
  {
  }
  vo         


        

Answer 1

public class GenericClass {
    private T data;

    public GenericClass() {}

    public GenericClass(T t) {
        this.data = t;
    }

    public T getData() {
        return data;
    }

    public void setData(T data) {
        this.data = data;
    }

    // usage 
    public static void main(String[] args) {
        GenericClass gci = new GenericClass(new Integer(5)); 
        System.out.println(gci.getData());  // print 5; 

        GenericClass gcs = new GenericClass(); 
        gcs.setData("abc");
        System.out.println(gcs.getData());  // print abc;
    }
}