Answers for "how to implement interface java"

8

interface in java

An interface is a special kind of class that cannot be instantiated.
 The main idea of an interface is declaring functionality. Interfaces help to 
 abstract from specific classes and emphasize the functionality. 
It makes software design more reusable and clean
Opposite to a class, an interface can extend several interfaces. 
A class can implement multiple interfaces.
Posted by: Guest on January-28-2022
-1

java define interface

/* File name : Animal.java */
interface Animal {
   public void eat();
   public void travel();
}
Posted by: Guest on April-23-2020
0

do you have to implement all methods of an interface java

Yeah, unless the class is declared as an abstract class.
Posted by: Guest on January-09-2022

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