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

Core Java Interview Questions

Questions Answers Views Company eMail

How do you compare two strings? any predefined method for this?

3 7731

How do you load an HTML page from an Applet ?

2 5066

How do you sing an Applet ?

2459

What are the differences between Java 1.0 and Java 2.0?

2272

How does a try statement determine which catch clause should be used to handle an exception?

2 8972

How to do validation of the fields in any project ?

2 6633

How is rounding performed under integer division?

Satyam,

2 6150

What is "finally" keyword?

10 13433

What is 'finally' method in Exceptions?

4 9423

What is hypertext?

1 5221

What is inheritance?

Accenture, Hexaware, Syntel,

5 9019

What is interface and its use?

HCL,

8 16543

How many bits are allocated to represent character of character sets - Unicode, ASCII, UTF-16, UTF-8?

1 7938

what is the Use of throws exception?

2 9506

What are blocks?.

TCS,

1 4512

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Un-Answered Questions { Core Java }

What do you mean by constant time complexity?

1244

What are the concepts of 'OOPS'?

1074

Are maps ordered java?

955

Is int primitive data type?

949

Does apple use java?

949

How do you sort in java?

978

What is a vararg?

1034

How do you achieve polymorphism in java?

997

What is purpose of keyword void?

1049

How many java versions are there?

1053

Can we print null in java?

1059

Why array is used in java?

968

Is node a data type in java?

997

What is operator overloading. Is it is supported in java?

1030

Does java set allow duplicates?

1083

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