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 8196

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 8683

JVM is platform independent or depeneded?

7 9967

what is type of statement in jdbc connection?

3 5538

What are the types of classes in java?

HCL,

4 9450

What is the difference between interpreter and compiling ?

TCS,

2 4509

What is the difference between interpreter and compiling ?

TCS,

7 9515

what is platform

i3 Solutions,

2 4487

what is platform native code

i3 Solutions,

2 5614

what is language and it responsibilities

1 3481

what is translator and it types

1 3586

what are the application of compiler and interpreter for source program

2 4790

what is platform dependent translation and platform dependent programming language

2 4248

what is net based application and its types

1 3643

justify c is portable

1 3744

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Un-Answered Questions { Core Java }

What is a function easy definition?

1065

What are the differences between string and stringbuffer?

1182

Write a function for palindrome and factorial and explain?

1139

How do you use nextline in java?

1027

Explain Basics of OOP Language in java

1109

Can we inherit a class with private constructor?

1179

What do you mean by constructor?

1034

Why is java called the platform independent programming language?

1064

What is application system?

1010

Explain what do you mean by functional overloading in java?

1071

If you do not want your class to be inherited by any other class. What would you do?

1071

What is jvm? Why is java called the platform independent programming language?

1079

Which method cannot be overridden in java?

1043

Can you have two constructors in java?

1050

Tell me are there implementations for sorting and searching in the java libarary?

1087

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