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

Core Java Interview Questions

Questions Answers Views Company eMail

Explain about fail fast iterators in java?

1073

What are thread groups?

1013

Explain about transient variables in java?

1112

Explain about narrowing conversion in java?

1023

What is collections framework?

1166

Explain the scope or life time of class variables or static variables?

1005

Difference between concurrent hashmap and hashtable and collections

1079

Why java is considered dynamic?

1185

List some java keywords sun like c, c + + keywords?

1017

Why is stringbuffer called mutable?

1004

Define packages in java?

1018

List the three steps for creating an object for a class?

983

Give some features of interface?

1083

What is the default value of float and double datatype in java?

1024

When super keyword is used?

1028

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Un-Answered Questions { Core Java }

What is a local, member and a class variable?

1055

How do I stop concurrentmodificationexception?

1049

What is java english?

1016

What is jdbc api?

1019

What are the common uses of "this" keyword in java ?

1034

why not override thread to make a runnable? : Java thread

1016

What is a instance variable?

1074

What is difference between static class and singleton pattern?

1043

Is java code slower than native code?

1084

What are parsing rules?

1006

What is integer parseint?

1011

What is the static method?

1093

What is the major difference between linkedlist and arraylist?

1068

What is the use of arraylist class in java?

1096

What is the Difference between Final Class && Abstract Class?

1089

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