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 access scope of a protected method?

964

Can an interface be defined inside a class?

1014

Is java a pure object oriented language?

920

Can a class be declared as protected?

963

What is collection api?

1011

Does the order of public and static declaration matter in main method?

1043

Can you create an object of an abstract class?

957

How many static init can you have?

1152

What does it mean that a method or field is “static”?

929

Can a source file contain more than one class declaration?

923

Can you give few examples of final classes defined in java api?

961

What restrictions are placed on method overloading?

1131

Can a abstract class be defined without any abstract methods?

943

What is the diffrence between inner class and nested class?

1034

Can a main method be declared final?

1010

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Un-Answered Questions { Core Java }

What is reverse function?

1071

Is string a wrapper class?

975

Tell us something about different types of casting?

874

What is the symbol for line break?

1044

Can we have more than one package statement in source file ?

976

Explain the difference between extends thread vs implements runnable in java?

1072

Can you override a final method?

991

Is main a keyword in java?

924

Explain enumeration in java?

961

What is prime number in java?

940

What is a literal coding?

974

How does compareto work in java?

995

What do you mean by synchronized non access modifier?

954

Define linked list and its features with signature?

945

What are the fileinputstream and fileoutputstream?

1023

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