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 11616

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 6882

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

2134

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

4 9378

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

17 20192

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

1 6198

Explain role of constructor in a java application?

5 14236

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

1869

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 4078

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?

2042

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 5090

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 10613

Differences between jdk 1.4 and 1.5

SoftSol, TCS, Wipro,

6 17595

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

7 9174

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

1 4283

Un-Answered Questions { Java Related }

How would you integrate spring and hibernate using hibernatedaosupport?

372

Can we define constructor in inner class?

1007

What is container struts2?

997

What are the benefits of ioc in spring?

487

Can I import same package/class twice?

954

What is the is the default transaction factory in hibernate?

467

Are the struts tags xhtml compliant ?

939

How to provide security in java

2282

How do you reverse sort in java?

950

What is hibernate used for?

471

Why singleton is not thread safe?

996

What do you mean by ternary operator in java?

1024

What is @service annotation in spring?

432

What is advice in spring?

406

What is http tunneling? How can we configure it on weblogic?

1165

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