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 ascii code?

1288

What is the difference between access specifiers and access modifiers in java?

1193

Explain java coding standards for variables ?

1181

What is an error in java?

1166

Can we nested try statements in java?

1113

Explain the importance of join() method in thread class?

1109

Can we write any code after throw statement?

1068

Explain thread in java?

1182

Why to use nested classes in java?

1135

Explain creating threads by implementing runnable class?

1189

Objects or references which of them gets garbage collected?

980

What are nested classes in java?

1133

Difference between character constant and string constant in java ?

1034

Can static methods access instance variables in java?

1101

Difference between object and reference?

1190

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Un-Answered Questions { Core Java }

What is the difference between jfc & wfc?

1088

Why is stringbuffer not immutable?

1096

How many bytes is a char in java?

1032

Why vector class is used?

1007

What is the meaning of variables in research?

1050

What is thread life cycle in java?

1087

What is the length of a string?

1049

What are selection structures?

1015

is it possible to instantiate the math class?

1053

Can we override constructor?

1041

What is a list in java?

960

What super () does in java?

927

What is an class?

1052

What happens if we don’t override run method ?

1025

Why synchronization is important?

1040

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