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 boolean flag in java?

1109

What is boolean in java?

990

Can you call a method on a null object?

1027

What does string [] args mean?

1027

How do you declare an empty string?

1081

What is size of int in java?

1075

What is a char in java?

1056

What is a dot notation?

1046

What are the six ways to use this keyword?

1077

What is byte [] in java?

1032

What is flag in java?

1006

What is a numeric format?

1113

What is null data type?

1123

What is the basic of java?

1036

Why null value is used in string?

1059

Post New Core Java Questions

Un-Answered Questions { Core Java }

how to deploy apache tomcat server to weblogic server in java

2110

What is ascii format?

1003

Is a class an object?

1034

What is an example of declaration?

1017

Explain about static imports in java?

1013

take an array with -ve and +ve value both.find out the nearest value of 0(zero).if two values are same like(-2 and +2)then extract +2 is nearest of 0(zero).

1997

What is meant by singleton class?

1048

What is 16 bits called?

960

What is the difference between import java.util.date and java .util?

1068

What does I ++ mean?

1084

Can we sort arraylist in java?

1006

How do you remove all elements from an arraylist in java?

1047

Difference between default and protected access specifiers?

1150

What is the largest long allowed by java?

1075

How many java versions are there?

1071

For More Un-Answered { Core Java } Questions Click Here