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

Core Java Interview Questions

Questions Answers Views Company eMail

How can we find the sum of two linked lists using stack in java?

1175

Mention a package that is used for linked list class in java.

997

Explain the importance of finally block in java?

980

Can we catch more than one exception in a single catch block?

1102

Can we define a package statement after the import statement in java?

1087

Why java doesn’t support multiple inheritances?

1076

Does java support multiple inheritances?

1035

Explain method overloading?

1033

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

1122

Can we create a constructor in abstract class?

998

What are the advantages of exception handling in java?

1077

Explain about the main() method in java?

1130

What is the method in java?

1118

What are the important methods of java exception class?

1158

How can we make a class singleton?

1100

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Un-Answered Questions { Core Java }

Write a program to print count of empty strings in java 8?

1016

What is tostring () method?

1044

What is double parsedouble in java?

1071

Is Java a dying language?

1101

What is java english?

1017

how to handle exceptions in ejb?

2324

How hashset works internally in java?

1113

What does java final mean?

1058

What is ternary operator? Give an example.

1099

Explain the purpose of garbage collection in Java?

1038

When will you define a method as static in Java?

1074

Which sorting is best in java?

1014

How many types of flags are there?

1039

What is an i/o filter?

1853

When should we create our own custom exception classes?

1035

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