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

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Java Related Interview Questions

Questions Answers Views Company eMail

If two threads call a static method at the same point of time, what will happen?

3 9027

There are 2 methods in a class. Both have the same method signature except for return types. Is this overloading or overriding or what is it?

KPIT,

9 14175

There are 2 classes, 1 LandAnimal and another WaterAnimal. There is another class Animal which wants to have the properties of both LandAnimal and WaterAnimal. How will you design this situation?

KPIT,

6 11067

I have a String s = java; What is the output when I say s.replaceAll('j', 'k'); Also what is the value of s after replacing?

KPIT,

8 12122

If you are reviewing the code of your team members, what points will you look at, assuming the performance of the application is not so great

KPIT,

2 6441

How will you convert an ArrayList to Arrays?

KPIT,

4 9556

steps to connect with Oracle Databse using TYPE-2 Jdbc driver.

3 12099

how do we get the connection from connection pool

1 4459

what are the methods of an object class?

3 6558

can u give one sinario when you use Abstract Class and When you use Interface.

ITC Infotech,

5 10046

What does 'stub' mean in weblogic server?

3 22681

Nullpointer exception is a very common exception. Why is it not made as a checked exception?

Ness Technologies,

2 7922

What is the difference between Checked and Unchecked exception? Give some examples

Ness Technologies,

2 8198

What is the purpose of having the concept of overloading?

Ness Technologies,

7 19020

How does Vector implement synchronization?

Ness Technologies,

4 12607

Un-Answered Questions { Java Related }

How to sort array in descending order in java?

987

hi actully i hav form columns with origin and destination names .as like as i need to create one more column with name amount. my requirement is when i select origin and destination columns automatically i need to get amount from database.how can i. please tel me with relative code

2865

What is difference between @controller and @restcontroller in spring?

537

what is reflection api? How are they implemented?

1102

What is parsing 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

2659

What is the java api?

989

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

2259

What is a constructor overloading in java?

1122

What is java string pool?

1076

What is latest hibernate version?

486

What are the differences between heap and stack memory in java?

1128

Are jvm’s platform independent?

978

How is declarative handling of exceptions done in struts ?

1001

Is minecraft 1.15 out?

1039

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