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 vector in java?

1089

What is methods in java?

1046

How do you use compareto in java?

1012

What is string builder in java?

1056

What does compareto () do in java?

1055

Is string thread safe in java?

1138

What is an escape character in java?

1097

What are the string methods in java?

1131

What is printwriter in java?

1001

What is string pool in java?

1070

How is string immutable in java?

1082

Is special character in java?

1134

What is r in java?

1105

What is the escape character in java?

1034

Does .length start 0 java?

1059

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Un-Answered Questions { Core Java }

Explain the usage of this with constructors?

1068

What is java literals?

1200

What is difference between overloading and overriding in java?

1072

How to declare objects of a class ?

1125

Which access specifier can be used with class ?

1045

How would overload a function based on return type?

1031

What is class??

1294

What is a parameter in java?

1032

When can we say that threads are not lightweight process in java?

1207

What is default constructors?

1070

What is use of super keyword?

1016

Find the value of a specified element of the array arr[i] where 0 <= i <= n-1

1032

What is factor r?

1008

Does java set allow duplicates?

1131

What is an infinite loop in java? Explain with an example.

1110

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