IV. Will the following java code compile? if not why? if yes write the output. abstract class A { abstract void callme(); // concrete methods are still allowed in abstract classes void callmetoo() { System.out.println("This is a concrete method."); } } class B extends A { void callmetoo() { System.out.println("B's implementation of callme."); } } class AbstractDemo { public static void main(String args[]) { B b = new B(); b.callmetoo(); } } }

Given the following code and instructions:Is the provided implemented correctly for said instructions?The main class Ride contains: public abstract boolean ableToRun(int numberofRuns);public abstract boolean checkRide(String[] components);public abstract double costPerPassenger(int numberOfStops);

java lang

Why the below class is showing compilation error? abstract class AbstractClass{abstract void abstractMethod(){System.out.println("First Method");}}

Answer the follwoing question regading java:

The following is in Java: public class MyClass {       private int x;       private double y;             public static void setValues(int a, double b)       {         x = a;          y = b;       } }   1) What is the problem? 2) In a few sentences how can the issue be fixed?

Define an Animal method that updates the time to complete a particular behavior based on its name. Choose one of the following from the above choices (A, B, C or D within the code): public class Animal {       // Other instance variables, constructors and methods     // omitted for brevity       // A     public void updateTimeTakenForBehavior(String behaviorName, int timeToComplete) {         for(int i = 0; i < this.behaviorList.length; i++) {             Behavior tempBehavior = this.behaviorList[i];             if( tempBehavior.getBehaviorName().equals(behaviorName)) {                 tempBehavior.setTimeToComplete(timeToComplete);             }         }     }       // B     public void updateTimeTakenForBehavior(String behaviorName, int timeToComplete) {         for(int i = 0; i < this.behaviorList.length; i++) {             Behavior tempBehavior = this.behaviorList[i];             if( !tempBehavior.getBehaviorName().equals(behaviorName) ) {…