JAVA
Java | Interface Example
//1) WRITE JAVA INTERFACE package www.iforerunner.com; public interface Hello { public void sayHello(); } //2) WRITE INTERFACE IMPLEMENTATION package www.iforerunner.com; public class HelloImpl implements Hello { public void sayHello() { System.out.println( "HELLO IMPL INTERFACE" ); } } //3 BELOW STEPS TO CALL IMPL THROUGH INTERFACE package www.iforerunner.com; public class InterfaceDemo { public static void main(String[] args) { Hello objectOfInterface = new HelloImpl(); objectOfInterface.sayHello(); } }
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