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

GoldMansachs Interview process....

1 11648

HI ALL, How to Overcome "OutOfMemoryException"? when I am compiling source having more than 1000 LOC throwing this exception. Can any one give correct answer to my question? thx

5 6932

Hi all, I am dng a mini project on FileSplitter application which splits the GBs of logfile into Smaller chunks(mbs) depending on the split size." How to handle GBs file? I am getting OutOfMemoryException, when I input such GB sized file. Thx

2156

The class "Class" is belongs to which package?? a) java.lang b)java.lang.reflect c)java.util d)None

4 9429

which of tha following is not a thread safe class? a) ArrayList b)Vector c)HashTable d)None

17 20383

Explain the role played by Java Virtual Machine in Java Programming?

1 6224

Explain role of constructor in a java application?

5 14300

Where can i get Latest SUN Certification Dumps and what are the Sun Certification Codes that are available, Im new to JAVA, so please gimme info as i need to write J2EE - Core Java Certification

1899

If one class havent the constructor, it has normal method, then can i use super keyword to call the method form the sub class and vice verse?

2 4112

1.can i use super keyword in normal class(not inheritance) to call any method?if so how can i call particular variable? 2.In the inheritance how can i access the particular variable from the base class(it containing 5 variables) using super keyword?

2063

This is my code i have a doubt class ab implements a,b { public void add() { System.out.println("Hi") } } interface a { public void add(); } interface b { public void add(); } in this code i have two interface implemented in the class has same method.just i want to know which method of interface implemented in the class. interface a or interface b? confused me .

3 5136

IN java collections we have both interfaces and classes. instead of using interfaces why we can't use classes only like that why we can't use interfaces only. why we need two things interface and class.

Accenture, CTS,

6 10687

Differences between jdk 1.4 and 1.5

SoftSol, TCS, Wipro,

6 17670

which method does it invokes automatically when we click link in the webpage a)put b)get c)head d)post

7 9238

what happens when we add the objects morethan the size limit to a hashmap

1 4316

Un-Answered Questions { Java Related }

What is a null class?

1004

Is there any framework in j2me that supports for all three HTc,iphone,Nokia phones.

2325

Why deletion in linkedlist is fast than arraylist?

1124

List the advantages of spring framework?

450

Who manages the access control policies and how?

894

What is context param in spring?

481

I want my class to be developed in such a way that no other class (even derived class) can create its objects. How can I do so?

1008

What is the advantage of hibernate?

380

Enlist diffrent types of inheritance supported by java?

937

If two threads have same priority which thread will be executed first ?

1513

Creating Class and methods – Java OOP Exercise

What is in hql?

455

What is application configuration resource file?

939

What are the different modules of wlst?

1043

What is the default value of float and double datatype in java?

1026

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