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?

1030

Can an interface be defined inside a class?

1061

Is java a pure object oriented language?

964

Can a class be declared as protected?

1013

What is collection api?

1051

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

1072

Can you create an object of an abstract class?

1021

How many static init can you have?

1216

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

975

Can a source file contain more than one class declaration?

992

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

1006

What restrictions are placed on method overloading?

1178

Can a abstract class be defined without any abstract methods?

1003

What is the diffrence between inner class and nested class?

1090

Can a main method be declared final?

1056

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Un-Answered Questions { Core Java }

What is a blocking method in Java?

1240

Can a constructor call another constructor?

983

How many bytes is a unicode character?

1007

Is java call by reference?

973

Tell me the Importent classes in net package?

1999

What is the difference between C++ and Java and your preferences?

1113

What value is a variable of the string type automatically initialized?

1114

Is intellij better than eclipse?

1092

What programs use java?

959

Can we nested try statements in java?

1102

What are methods of a class?

1036

Difference between vector and arraylist.

1115

Why is an interface be able to extend more than one interface but a class can’t extend more than one class?

1169

Can you achieve runtime polymorphism by data members?

1149

What are the types of methods in java?

1117

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