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 variable in java?

1214

What does t in java mean?

1057

How do I convert a string to an int in java?

1119

What is file in java?

1079

Can we assign integer value to char in java?

1079

What is array length in java?

1012

What is append in java?

1236

What is stringbuffer in java?

1112

What is the meaning of I ++ in java?

1242

Is upper case in java?

1005

How strings are created in java?

1083

What is length in java?

1057

What does nextint () do in java?

1054

What is matcher in java?

1041

What is increment in java?

1009

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Un-Answered Questions { Core Java }

Explain about the dynamic behavior of core java?

1184

How do you compare arrays in java?

998

List some oops concepts in java?

1088

What is the purpose of the system class in java?

1096

What is classpath?

1064

What is the purpose of garbage collection in java? When is it used?

1090

What is java virtual machine and how it is considered in context of java’s platform independent feature?

1217

Can list contain null in java?

1142

What is the maximum size of list in java?

1015

What is the impact of declaring a method as final?

1072

Why unicode is important?

978

What is the static method?

1124

What all methods are used to prevent thread execution ?

1073

Can we write multiple catch blocks under single try block?

1142

What is return null in java?

1020

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