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

Java J2EE (14736)
J2ME (151)
Java Related AllOther (507)

Java Related Interview Questions

Questions Answers Views Company eMail

What is run time polymorphism?

eClerx, Elementus Technologies,

6 19093

why is multiple inheritance not allowed in java?

Elementus Technologies, Huawei, Infosys,

7 16340

What is the ResourceBundle?

Elementus Technologies,

2 6999

Hey buddy.. can you please tell me about the use of marker interface? And is there any link between marker interface and factory methods? Thanks in advance.

2 6619

Hi, well i am unable to understand that why it is mandatory to have same hashcode, if two objects are same? Thanks in advance.

5 7491

Hi buddy, well i got that there is always a default constructor with abstract class. OK. But why not with interface? Thanks in advance.

2 5274

hi to all. well can you please tell me that why String class is immutable? Thanks in advance.

Huawei,

5 10111

1).Is Object class abstract or not? 2).Is main method(public static void main(String args[])low priority thread or high priority thread?

TCS,

3 10493

1).what is the difference between below examples String s="vijay"; String s=new String("vijay");

Mascon, Satyam, TCS,

12 20175

what are the different access specifiers that can be used by interfaces and abstract classes? can anyone give me detailed description on this

IBM, L&T,

11 25528

How will you create the class for the following scenario? Employees under one employee?

Bally Technologies,

2 6737

Can we override static methods?

Bally Technologies,

18 31612

Difference between flush() and commit() in hibernate?

Bally Technologies,

2 22514

what is generics in jdk1.5?

Bally Technologies,

2 10421

Write the code for Palindrome ?

Bally Technologies,

2 6589

Un-Answered Questions { Java Related }

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

1077

what is reflection api? How are they implemented?

1101

Can we return resultset in java?

985

Are jvm’s platform independent?

975

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

1032

Is minecraft 1.15 out?

1037

explain different ways of using thread? : Java thread

1079

What is a constructor overloading in java?

1121

What is lazy class?

480

Find Best Job Vacancies across the world on Jooble!

132

Hi frnds how to lock an user when he enter wrong credentials more than 3 time using java or j2ee tech take username and password in a bean no need to connect DB and validate give me some sample application code or links its urgent for me thanks in advance

2415

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 difference between @controller and @restcontroller in spring?

536

what are the different modes of archival? Explain each mode in two lines each?

994

What is the locale class?

1021

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