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

Core Java Interview Questions

Questions Answers Views Company eMail

Can we change the value of static variable?

1013

What is static variable with example?

1053

What is difference between local variable and global variable?

1079

Where are the local variables stored?

1120

Why are global variables used?

1072

Why local variables are stored in stack?

1039

What is function declaration?

1022

How are variables stored in memory?

1114

Which variables are stored in heap?

1080

What are the rules for variable declaration?

1010

Are variables stored in ram?

1062

Do extraneous variables affect validity?

957

What is the meaning of variables in research?

1074

How do you control extraneous variables?

968

Why are variables important in research?

977

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Un-Answered Questions { Core Java }

Is null a keyword in java?

1023

What is an immutable object?

1170

Is alive and join method in java?

1259

Is empty in java?

1111

What is difference between wait and notify in java?

1200

Describe 2 different ways to concatenate two strings.

1263

What is a conditional equation?

1097

What about interrupt() method of thread class ?

1120

How to convert string to byte array and vice versa?

1143

What do you mean by data type?

1062

What is args length in java?

1236

Differentiate between vector and array list.

1114

What is java command?

1130

Is boolean a data type in java?

1015

What are different data types?

1079

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