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

can we add two numbers without using arthematic operators? if possible how?

5 9773

why the equals method can be override?when we override the equals method?

5 11159

why the wait,notify,notifyall methods are placed in object class?these are the thread concepts why these methods are placed in Object class?

Global Logic, Satyam,

2 11594

using equals method overriding which objects are compared?i.e same class objects or other class objects?Explain me.

4 6449

If set accepts only one argument then how can it compare two objects to avoid duplicates

5 7200

can u override the start() method of Thread class

5 20224

which method throws exception of type Throwable

2 5562

can u handle an error if u write Thowable in the catch class lise try { some errorneous code }catch(Throwable e){ ...}

4 8208

how to convert mm/dd/yy to dd/mm/yy using collections in java.

Bosch,

4 12516

how do you store phone numbers using java collections

Bosch, IBAB,

5 18972

what is the difference between ServletContext and ServletConfig?

4 11906

which one is performance wise advantageious from List,Set,Map?

6 12293

how to retrieve sql exceptions

Bosch,

2 7296

multiple instances for action class is it possible

iFlex, ProSoft,

8 16477

what is the diffrence between banking and insurance domain?

2 9535

Un-Answered Questions { Java Related }

How can we reduce database write action times in Hibernate?

374

Where to store local variables?

1123

What is parsing and its types?

1137

Should controller be singleton?

482

What is time complexity java?

1014

What are the core classes of struts?

1068

Explain something about inventory table? Whats does inventory flags used for?

846

What is detached in hibernate?

370

What is flushing in hibernate?

413

Distinguish between a predicate and a function?

1008

What is the significance of listiterator?

1123

Why is it called boolean?

1027

What is the purpose of jdbc?

1070

What is “dirty read” in JDBC? Which isolation level prevents dirty read?

1034

What are its drawbacks of cgi?

1151

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