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

Core Java Interview Questions

Questions Answers Views Company eMail

How can you handle java exceptions?

1042

Can the garbage collection be forced by any means?

1019

String class is defined under which package in java?

1098

What is the byte order of byte buffer?

1033

What is the difference between the direct buffer and non-direct buffer in java?

1050

What is an object class?

1040

Can you override a private or static method in java?

1 1279

What are the differences between checked exception and unchecked exception?

980

What are multiple inheritances?

1126

What occurs when an object is constructed?

1024

What are multiple inheritances? Is it supported by java?

967

Explain the features of interfaces in java?

994

What’s the difference between callable and runnable?

1119

Is ++ operator thread-safe in java?

1202

What is the size of int in 64-bit jvm?

1119

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Un-Answered Questions { Core Java }

what do you mean by classloader?

1120

I want to re-reach and use an object once it has been garbage collected. How it's possible?

1038

How many classes can any class inherit java?

987

What is the difference between equals() and == in java?

986

What are the types of java languages?

994

What do you mean by thread safe?

998

Difference between arraylist and vector.

1142

Is set ordered?

992

What is the difference between integer parseint and integer valueof?

1020

What are "methods" and "fields"?

1040

When should I use singleton pattern?

1058

What data type is true or false?

1056

Is java an ide?

999

Is java a utf 8 string?

988

How will you call an Applet using Java Script Function?

1049

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