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

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Java Related Interview Questions

Questions Answers Views Company eMail

Is ++ operator is thread safe in java?

974

Is linkedlist thread safe in java?

1013

Why map is used in java?

1049

Why arraylist is used in java?

1086

How to change value in arraylist java?

1195

How is hashcode calculated in java?

1048

Why do we need hashmap in java?

1125

How does queue work in java?

1001

Why constructor has no return type?

1104

Why for each loop is used?

1028

What are the loops in java?

1001

How to use arraylist in java netbeans?

1057

Why collection is called framework in java?

1006

How to print an arraylist in java?

1103

Why vector is used in java?

1041

Un-Answered Questions { Java Related }

Why does java not support operator overloading?

1153

Write a program in java to calculate the difference between the sum of the odd level and even level nodes of a binary tree.

1077

what is thread? : Java thread

995

To identify IDL language what mapping mechanism is used?

3955

Explain the encapsulation principle.

930

Can an application have multiple classes having main method?

949

What are the new features added to servlet 2.5?

1115

Is assembly language a low level language?

973

What is jms in websphere?

880

Can a static block throw exception?

1105

Give us a program to check for parenthesis matching using stack.

1025

Define nashorn in java8.

1053

How to get servletcontext and servletconfig object in a spring bean?

447

What are the benefits if Swing over AWT?

1069

What is dburl?

998

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