Interfaces helps in which type of inheritance ?

Related Mcqs:

Inheritance means ?

A. Sub class create object of super class B. Sub class extends Base class C. Sub class extends super class D. All of the above...

Choose the correct statement public class Circle{ private double radius; public Circle(double radius){ radius = radius; } } ?

A. The program has a compilation error because we cannot assign radius to radius. B. The program has a compilation error because it does not have a main method. C. The program does not compile because Circle does not have a default constructor. D. The program will compile, but we cannot create an object of … Choose the correct statement public class Circle{ private double radius; public Circle(double radius){ radius = radius; } } ?Read More...

In java, gc() method is available in which package ?

A. java.io package B. java.lang package C. java.awt package D. java.util package...

Which statements are most accurate regarding the following classes? class A{private int i; protected int j; } class B extends A{ private int k; protected int m; } ?

A. An object of B contains data fields j, k, m B. An object of B contains data fields k, m C. An object of B contains data fields j, m D. An object of B contains data fields i, j, k, m...

Which of the following statements about arrays is syntactically wrong ?

A. arrayName[] p = new arrayName[5]; B. arrayName p[][] = new arrayName[2][]; C. arrayName[] p []; D. arrayName p[5];...