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Core Java Interview Questions
Questions Answers Views Company eMail

Explain your academic project?

Accenture, Levonsys, SDF, TCS, Tech Mahindra,

2 9851

What is JVM ? use of JVM?

BVC, Tech Mahindra,

6 10498

Memory management in JAVA

Tech Mahindra, Wipro,

3 14603

What is constructor

Manforce, Tech Mahindra,

9 9460

when everything can be done by static block then why do we use main method?.

 2 4869

why we are calling j2se why not j1se or j3se or j4se..etc is there any reason.. can u please explain it... i shocked in my interview when they asked this question please explain ans

Infosys,

2 8332

Java openings 3 - 5 years, Lnt Infotech. requirements - core java, J2ee, struts, hibernate Interview Date:- 19 March 2011 Time:- 9:00 AM to 12:00 Pm Interview Location - L & T Infotech, Manapakkam, Chennai Refererral PS NO:- 291649 (Please mention this when u fill the form only then u will be considered for interview) Documents Required:- Latest Resume, Photograph and last 3 payslips Mail me on vasan2211@gmail.com once u appear for interview

L&T,

2847

how copy the hashmap object into arraylist at java program?

HCL, Wipro,

4 12921

can we access the method of class without creating the object of the class

 3 5366

Nested classes VS Inner classes?

Infosys,

3 5005

waht You know about thread programming?

 1 2810

What are Interceptors?

 1 4985

i would like to attend for an interview of datalab technologies company i want to know the pattern of imnterview.

 1932

Suppose i have two threads t1 and t2 are running.How the main thread will know that the two threads t1,t2 execution has completed?

Subex,

2 11627

I have a string like _a01_a02_a03_ and another string like _2_1.5_4_ as input.I want to extract a01,a02... to a string array and 2,1.5,etc to a double array with a01 corresponds to 2 and a02 to 1.5 etc. Need code in core java.. Can you do it?

Cognizant,

1 3556

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Un-Answered Questions { Core Java }

What is meant by attribute?

585

What is the Concept of Encapsulation in OOPS

545

What is general methodology?

556

What is consumer interface?

550

What are the elements of java?

545




Explain the overview of UDP messaging.

725

How do I compare two strings in word in java?

530

Where import statement is used in a java program?

604

Can a top level class be private or protected?

565

What is the relationship between clipping and repainting under awt?

602

Can we change the value of static variable?

485

What is the use of hashmap in java?

543

What is the function of character?

518

Why do we create threads in java?

566

Are strings immutable in java?

514

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