Adapter Pattern

Adapter.java

package com.crimx.adapter;

public class Adapter implements Plug2{
  private Plug1 plug1;
  
  public Adapter(Plug1 p1) {
    Plug1 = p1;
  }
  
  public void slot1() {
    Plug1.slot1();
  }
}

Plug1.java

package com.crimx.adapter;

public interface Plug1 {
  public void slot1();
}

Plug2.java

package com.crimx.adapter;

public interface Plug2 {
  public void slot2();
}