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

Core Java Interview Questions

Questions Answers Views Company eMail

Justify your answer that you can't define a method inside another method in java, if you can then how?

1173

Differentiate between array list and vector in java.

1114

What is outofmemoryerror in java?

Cyient,

1025

What do you understand by classes in java?

1007

Why do we create public static method in java?

1112

Why we do exception handling in java and how many types of exceptions are there?

1127

What is operator overloading. Is it is supported in java?

1030

What is the difference between jdk, jre, and jvm?

1117

What is difference between equals and hashcode method?

1133

What is the purpose of final keyword and when to use it?

1004

What is difference overloading and overriding?

Cyient,

1170

What is difference between throw and throws ?

Cyient,

1139

How thread scheduler schedule the task?

1058

Explain constructors and types of constructors in java.

1111

Differentiate between stringbuffer and stringbuilder in java.

1025

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Un-Answered Questions { Core Java }

What is the difference between static binding and dynamic binding?

1127

Differentiate between vector and array list.

1066

What is a conditional equation?

1045

What is your platform?s default character encoding and how to know this?

2372

What does += mean in java?

1084

What modifiers may be used with an inner class that is a member of an outer class in java programming?

1102

What is the purpose of using bufferedinputstream and bufferedoutputstream classes?

1071

Can we override static methods in java?

1070

What language is an assembler written in?

997

Is null in java?

1013

How does multithreading take place on a computer with a single cpu in java programming?

1015

What is the difference between hashmap and hashtable in java?

1123

What is the static import?

1104

What is default exception handling in java?

1031

Which sorting is best in java?

1001

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