Core Java Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Core Java Interview Questions

Questions Answers Views Company eMail

Why Set interface contains unique elements, what internally implemented for this so that it contains unique elements?

Rolta, TCS,

1 8112

What will be the output of the program? public class Test { public static void main(String args[]) { ArrayList list = new ArrayList(); list.add("2"); list.add("3"); list.add("4"); list.add("5"); System.out.println("size :"+list.size()); for(int i=0;i

Rolta,

5 8487

JVM is platform independent or depeneded?

7 9739

what is type of statement in jdbc connection?

3 5437

What are the types of classes in java?

HCL,

4 9288

What is the difference between interpreter and compiling ?

TCS,

2 4392

What is the difference between interpreter and compiling ?

TCS,

7 9267

what is platform

i3 Solutions,

2 4395

what is platform native code

i3 Solutions,

2 5491

what is language and it responsibilities

1 3420

what is translator and it types

1 3508

what are the application of compiler and interpreter for source program

2 4668

what is platform dependent translation and platform dependent programming language

2 4137

what is net based application and its types

1 3544

justify c is portable

1 3680

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Un-Answered Questions { Core Java }

What is append in java?

1166

What is parameters example?

1030

Is integer immutable in java?

992

How do you sing an Applet ?

2460

What are the four integer types supported by java?

1031

What is a numeric format?

1094

What is equals method in java?

1037

What is the purpose of the enableevents() method in java programming?

1186

What is a substring of a string?

1163

Explain the purpose of garbage collection in Java?

1032

Explain abstract class in java?

1068

What is the file extension for java?

1074

What are desktop procedures?

1045

Can you call a method in a method?

1093

In Java list the methods that can be overridden?

1012

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