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Tip of the Day
Language: Java
Expertise: Beginner
Aug 19, 2002



Application Security Testing: An Integral Part of DevOps

How to Implement an Interface Without Giving an Implements Keyword

In the code below, inter is an interface which has a method add(int i1,int i2). The implementation is done in Impl class.
Interface code(inter.java)
public interface inter
  public int add(int i1,int i2);

Class Code(Impl.java)
public class Impl
 public Impl()
  { // implement the interface by anonymous inner
    inter i=new inter()
	  public int add(int i1,int i2)
	    return i1+i2;
  } //end of constructor
  public static void main(String a[])
	  ser d =new ser();
}//end of class

Thus, the interface is implemented in Impl class without an implements keyword.
Gaje Gajendran
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