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Core Java Interview Questions
Questions Answers Views Company eMail

What is the difference between add() and addElement() method in Vector Class ?

TCS,

2 15804

Can we add two byte variables and assign the result to a byte variable ? b=b1+b2 where b,b1,b2 are byte types

TCS,

4 18643

How can we find size of the object ?

CTS, RazorSight,

5 10257

Howmany classes that package java.applet.* contains?

TCS,

1 5175

How to reduce flicking in animation?

TCS,

3 4502

How to print nodes of a Binary tree?

TCS,

1 4844

What is I/O Filter?

TCS, WAX,

2 12165

How to initialize an Applet ?

TCS,

9 19687

Can you call a private data from an inner class?

6 6605

Can multiple catch statements be used in exceptions ?

Wipro,

6 8248

Difference between Application and Applet ?

Wipro,

4 8153

Can a class inherit the constructors of its superclass?

iFlex, Wipro,

9 16878

What is 3-tier model?

Wipro,

3 6328

For which statements we use a label?

Wipro,

3 4677

How to eliminate duplicates from an array?

ABC, AdMod, Adobe, College School Exams Tests, Patni, Wipro,

6 18893


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Un-Answered Questions { Core Java }

What is an abstract method in java programming?

218


What about method local inner classes or local inner classes in java?

202


What is tcp and udp?

175


Is age discrete or continuous?

168


Explain reverse a linked list recursive java solution?

208






What is the meaning of find and replace?

191


Is null a value?

183


How do you calculate square roots?

205


What is functional interface in java?

158


What is generics in java interview questions?

184


how many types of Inheritance?

236


What is a conditional statement explain with example?

181


What is the epoch date?

219


Name few java 8 annotations ?

218


what is difference between equals and ==?

209