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

Core Java Interview Questions

Questions Answers Views Company eMail

Write a program to check string is palindrome without using loop?

Cyient,

1048

What is jvm? How its run?

1099

Define inheritance with reference to java.

1101

When will we prefer to use set and list in java and why?

976

How can we create a synchronized collection from given collection?

1094

How to avoid memory leak in java?

1150

What is the difference between a checked and an unchecked exception?

Cyient,

1013

How dead lock situation occurs in java and how you can identify it?

1010

What are the various access specifiers in java?

1020

Write a java program for binary search?

1077

Explain the difference between call by refrence and call by value?

1042

Why we use multi threading instead of multiprocessing?

1075

How to write custom exception in java?

Cyient,

1073

Name and explain the types of ways which are used to pass arguments in any function in java.

1095

Explain how hashmap works?

1080

Post New Core Java Questions

Un-Answered Questions { Core Java }

How many types of the indexof method are there for strings?

987

What's the access scope of protected access specifier?

1054

What does escaping a character mean?

1037

What is qms certification?

968

What do you mean by Hash Map and Hash Table?

1108

What is difference between class and object in java?

1091

What is the main method java?

1047

Will minecraft java be discontinued?

1183

What is an object’s lock and which object’s have locks?

978

Explain the usage of this with constructors?

1041

How do you insert a line break?

923

Difference between java and javascript

1109

Is java 11 paid version?

1003

What one should take care of, while serializing the object?

918

Explain the difference between transient and volatile in java?

1016

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