Can we write constructor inside interface in java? No. Interfaces does not allow constructors. Why interface does not have constructor? The variables inside interfaces are static final variables... read more ?

1.Can a constructor in Java be private? Yes we can declare private constructor in java. If we declare constructor as private we can not able to create object... read more ?

1.Is it possible to create static constructor in java? No. We can not create constructor with static. If we try to create a static constructor compile time error... read more ?

Hi friends now we are going to check our pc is having internet connection or not using java code  yes we can check internet connection using java code... read more ?

1.What is method overriding in java? Defining multiple methods with same name and same signature in super class and sub class known as method overriding.  Method overriding is... read more ?

1.What is abstract class in java? Hiding the implementation  and showing the function definition to the user. Abstract class contains abstract methods and concrete methods(normal methods) 2.How can... read more ?

If you want to call static method of a class we can call directly from another static method or by using its class name we can call static... read more ?

1. what is the output of following program: package com.instanceofjava;   public class SuperDemo{ public void show(){     System.out.println("Super class show() method called");   }   }... read more ?

Constructor chaining example program in same class using this keyword. package instanceofjava; class ConstructorChaining{ int a,b  ConstructorChaining(){ this(1,2);  System.out.println("Default constructor");   }    ConstructorChaining(int x , int y){... read more ?

1.What will be the Output of this program. public class HashMapJavaTricky{   public static void main(String[] args) {       HashMap<Integer,String> hm= new HashMap<Integer, String>();        hm.put(1, "one");... read more ?

Java interview Program to find second smallest number in an integer array without sorting the elements. package com.instanceofjava; class SecondSmallestNumber{   int[] x ={10,11,12,13,14,6,3,-1};           int... read more ?

Java Interview Program to find second highest number in an integer array without sorting the elements. package com.instanceofjava; class SecondLargestNumber{   public static void main(String args[]) {   ... read more ?

1. Java Program to find biggest substring in between specified character or string String: i am rajesh kumar ravi in between: 'a'   package com.instaceofjava;   public class... read more ?

Below programs are the basic programs frequently asking in java quizzes  try to test your java programming skills by answering the questions. if you are having any doubts... read more ?