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 the default value of local and global variables?

1109

What is a variable simple definition?

1040

What is the difference between variable declaration and variable initialization?

1049

How do you identify independent and dependent variables?

1029

Why is it important to initialize a variable?

1011

Why do we use variables?

1009

What is main difference between variable and constant?

1055

What initialize variables?

1044

How a variable is stored in memory?

1013

What is the purpose of extern variable?

1032

What is variable explain?

1014

What is meant by the value of a variable?

945

What are register variables what are the advantages?

920

Why is sizeof not a function?

1024

What do you mean by global variable?

970

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Un-Answered Questions { Core Java }

What is independent and dependent variables in research?

893

What is module with example?

1034

5 Coding best practices you learned in java?

1028

Explain runtime exceptions?

1198

Which is better 64 bit or 32 bit?

957

How to store image in arraylist in java?

994

What is the independent variable in an experiment?

980

What was java originally called?

971

What is final variable?

961

What are the differences between the constructors and methods?

1146

Where is singleton pattern used?

1011

Why string objects are immutable in java?

1059

What is namespace in java?

1033

What is <> used for in java?

1139

What are the special characters?

989

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