Java Related Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Java J2EE (14736)
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Java Related Interview Questions

Questions Answers Views Company eMail

What is the current code for the Java 5 code class Root { ?

3 4947

There are 2 classes . Class A and Class B. In Class A i declared a variable in private. if we can access this private variable in Class B. If yes means , how we can access ?

HCL, Itx Centrics, Virtusa,

7 12717

Urgent requirement of JAVA/.NET/QA in a CMMI level3 MNC for Pune location.

2482

when to for abstract class and when to go for interface

2 4718

how to print a numbers from 1 to 100 with out using control structures?

IBM,

4 7497

what is mean by hasing and maping in java platform and advantage?

CTS,

1 2472

whats the difference between == and .equal ?

Cisco,

10 16503

what is meant by package in java?

5 11625

What is in Hibernate? How exactly inheritance of Object to Tables can be done? What is the benefits of discriminator?

AppLabs,

1 7615

Write a class which checks whether a given number is prime or not. Write another class to implement the behavior of previous class and print the series of twin prime number upto a given range.

1 1917

Write a program using call by refernce for two different classes to explain to print whether a given number is automorphic or not.

1 1947

Write a program for the following topic - switch case,looping using fuction calling,nesting,console input output. Aim- to print a menu:- 1-series 2-single value. Each menu having sub menu armstrong or perfect.

1 2018

Topic- looping,function overloading,nesting ,polymorphism. Aim - to write a function with a name buzz-buds,that will check whether the given numbers are buddies or not on the basis of no. of parameters passed during function calling.

1 2143

class A { private int i; } class B extends A { private int i; } if I create an object of B class what will be the memory of that object.

Yamaha,

2 8693

how to fing linkedlist is circular or not?

TCS,

1 4106

Un-Answered Questions { Java Related }

What is the first argument of the string array in main method?

1025

Differentiate between static and non-static methods in java.

1115

What is parsing in java?

1024

What do you mean by an interface in java?

1095

Find Best Job Vacancies across the world on Jooble!

126

Realized?

2250

Write a program to print count of empty strings in java 8?

1077

What if I write static public void instead of public static void?

928

What do you understand by casting in java language? What are the types of casting?

923

What is the java api?

986

Hi frnd can i any one kindly can post for me portlet,hibernate and spring example application and with flow explantion configuration using Jdeveloper.and related links ar tutorials kindly please send me .its urgent for me .thanks in advance...........else can any one send to kondaiah.goddeti@gmail.com

2257

What is the difference between equals() and == in java?

1032

Write a java program to find the route that connects between Red and Green Cells. General Rules for traversal 1. You can traverse from one cell to another vertically, horizontally or diagonally. 2. You cannot traverse through Black cells. 3. There should be only one Red and Green cell and at least one of each should be present. Otherwise the array is invalid. 4. You cannot revisit a cell that you have already traversed. 5. The maze need not be in the same as given in the above example

2657

What is a constructor overloading in java?

1119

Can we extract main method from another class?

1026

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