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

Core Java Interview Questions

Questions Answers Views Company eMail

What is a hashmap used for?

1242

What is the new line character?

1171

Where is the find and replace?

998

What is string pooling concept?

1067

What is parseint?

1009

Does substring create a new object?

996

What is charat ()?

931

What is the r character?

1008

How do you declare a variable?

1089

What does int argc char * argv [] mean?

991

How do you change an int to a string?

998

How do you escape a string?

988

What is difference between filereader and bufferedreader?

951

What does indexof mean?

1017

What is the use of bufferedreader?

994

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Un-Answered Questions { Core Java }

Explain the use of volatile field modifier?

1071

please send me hr interview questions in it industry

2123

How does map works in java?

992

What is e java?

1093

What is intern method in java?

1077

What are reference variables in java?

1120

How can you traverse a linked list in java?

1127

Explain java heap space and garbage collection?

1066

What is a method type?

999

What is the Difference between Final Class && Abstract Class?

1071

Differentiate jar and war files?

1038

Can array grow dynamically in java?

975

String and stringbuffer both represent string objects. Can we compare string and stringbuffer in java?

967

What do you understand by private, protected and public?

1037

Can we nested try statements in java?

1095

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