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 7745

How do you load an HTML page from an Applet ?

2 5071

How do you sing an Applet ?

2466

What are the differences between Java 1.0 and Java 2.0?

2283

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

2 8983

How to do validation of the fields in any project ?

2 6643

How is rounding performed under integer division?

Satyam,

2 6158

What is "finally" keyword?

10 13465

What is 'finally' method in Exceptions?

4 9442

What is hypertext?

1 5231

What is inheritance?

Accenture, Hexaware, Syntel,

5 9040

What is interface and its use?

HCL,

8 16566

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

1 7947

what is the Use of throws exception?

2 9517

What are blocks?.

TCS,

1 4519

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Un-Answered Questions { Core Java }

What are java threads?

1139

Is a class subclass of itself?

1090

How do you initialize an arraylist in java?

1050

Is array size fixed in java?

981

How to print an arraylist in java?

1093

Where and how can you use a private constructor?

999

Can a constructor be made final?

1119

Give example to differentiate between call by value and call by reference.

1064

When to use runnable interface vs thread class in java?

987

What is integers and example?

1003

Do we have pointers in java?

1006

What is the difference between && and & in java?

1086

Difference between static binding and dynamic binding?

1114

Explain the key functions of data binding?

1022

Is string a datatype?

992

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