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

Core Java Interview Questions

Questions Answers Views Company eMail

Describe the process as to how substring() methodology mechanisms in java.

1129

What technique is carried out to find out if a particular string is empty?

1015

What do you understand by the term wrapper classes?

1004

define the terminology association.

1104

Is it possible to compare various strings with the help of == operator?

995

Are static members inherited to sub classes?

1140

What is multi level inheritance in java?

1030

Can string be considered as a keyword?

1034

what do you understand by the term string with respect to java?

1039

Describe the various concepts related to object oriented programming (oop).

1030

Why char array is favored over string for the storage of passwords?

1079

List some important characteristics on jre

1076

Differentiate between vector and array list.

1066

Explain abstract class in java?

1066

What are some characteristics of interference class?

996

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Un-Answered Questions { Core Java }

How will you communicate between two applets?

1168

What is difference between static and final?

1068

What is variable explain?

1003

What is the main use of generics in java?

991

What is the difference between super class & sub class?

1193

Why java is called not pure object oriented language?

1020

State the difference between strings and arrays.

1246

How do you create a reference in java?

979

Does apple use java?

950

Explain the init method?

988

Difference between comparator and comparable in java?

1096

Can a class be private or protected in java?

1063

Why is java called java?

1050

Which is illegal identifier in java?

1089

What is the best definition for data?

971

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