What Is Public Interface In Java Code Example

Snippet 1
  /* File name : Animal.java */
interface Animal {
   public void eat();
   public void travel();
} 
Snippet 2
  /* File name : MammalInt.java */
public class MammalInt implements Animal {

   public void eat() {
      System.out.println("Mammal eats");
   }

   public void travel() {
      System.out.println("Mammal travels");
   } 

   public int noOfLegs() {
      return 0;
   }

   public static void main(String args[]) {
      MammalInt m = new MammalInt();
      m.eat();
      m.travel();
   }
}  

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