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 constructor and how many types of constructors are used in java?

1004

What is the purpose of the system class in java?

1053

Why java is a platform independent? Explain

1098

how we can make a write-only class in java?

1038

Explain the advantages of packages in java?

925

Explain the features of java?

1021

What is the purpose of main function in java?

1033

What are different access specifiers in java?

1027

Explain the difference between abstract class and interface in java?

995

Java is pass by value or pass by reference? Explain

997

what is encapsulation in java? Explain

1123

what do you mean by classloader in java?

1035

What do you mean by inner class in java? Explain

1076

what is static import in java? Explain

1025

explain the difference between jdk and jvm?

1007

Post New Core Java Questions

Un-Answered Questions { Core Java }

How many types of literals are there in JAVA?

1050

List the interfaces which extends collection interface?

959

Can list contain null in java?

1093

Which of the classes will have more memory allocated?

980

Why to use nested classes in java?

1127

What are predicates in java 8?

1025

What is static keyword in java?

1004

how would you implement a thread pool? : Java thread

928

How do you download stubs from Remote place?

1796

What is anagram of a string?

950

How can you make sure that your singleton class will always return single instance in multi-threaded environment?

1034

What is java Applet?

1113

What is the use of parseint in java?

1029

Why is static used?

1036

What is string data?

990

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