Test Index

Object Oriented Programming (OOPs)

Question : 61

Total: 72

Given:

public abstract interface Frobnicate {
  public void twiddle(String s); 
}

Which is a correct class? (Choose all that apply.)

public abstract class Frob implements Frobnicate { public abstract void twiddle(String s) { } }
public abstract class Frob implements Frobnicate { }
public class Frob extends Frobnicate { public void twiddle(Integer i) { } }
public class Frob implements Frobnicate { public void twiddle(Integer i) { } }
public class Frob implements Frobnicate { public void twiddle(String i) { } public void twiddle(Integer s) { } }

Go to Question:

Prev Question

Next Question