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 array and arraylist in java?

1107

Can a hashset contain duplicates java?

979

Which collection is thread safe in java?

990

Which collection is best for sorting in java?

1126

What is the maximum size of arraylist in java?

1009

What is the size of arraylist in java?

1028

What is use of arraylist in java?

1177

Which java collection does not allow null?

1149

What is listnode in java?

991

Which collection does not allow duplicates in java?

980

What is arraylist e in java?

1058

What is difference between arraylist and list in java?

1090

Is null or empty java?

986

What is thread synchronization in java?

894

Which is the class in java?

1050

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Un-Answered Questions { Core Java }

What are the two types of streams offered by java 8?

925

Why is it called buffering?

1123

What is the byte range?

1034

What is difference between iterator access and index access?

1064

What is object english?

1061

What is the difference between class forname and new?

1006

Can you access the private method from outside the class?

972

What is the same as procedures?

988

Why java is said to be pass-by-value ?

1043

Can two objects have same hashcode?

997

What are the differences between path and classpath variables?

1042

What is the use of static class?

1190

What are recursive functions?

1058

What is string variable?

1051

What are the types of exceptions?

1059

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