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 restrictions are placed on method overloading in java programming?

1056

Which package has light weight components in java programming?

1150

How is it possible in java programming for two string objects with identical values not to be equal under the == operator?

1030

What is the difference between preemptive scheduling and time slicing in java programming?

1026

What is the purpose of the system class in java programming?

1110

Which containers use a flowlayout as their default layout in java programming?

1017

What is the simpletimezone class in java programming?

1135

Which container method is used to cause a container to be laid out and redisplayed in java programming?

1112

What is the list interface in java programming?

1124

What is an iterator interface in java programming?

968

What is the difference between yielding and sleeping in java programming?

1166

What is the collections api in java programming?

985

What is the map interface in java programming?

1021

How are observer and observable used in java programming?

1035

How are this() and super() used with constructors in java programming?

1067

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Un-Answered Questions { Core Java }

What are runtime exceptions?

1166

How does remove work in java?

983

What is numeric data type?

996

List out five keywords related to exception handling ?

1020

What are the elements of java?

1019

What is string [] java?

957

Is java a prime method?

992

What is java abstraction with example?

1070

What are jee technologies?

1018

How do you add an element to an arraylist in java?

951

How will you invoke any external process in java?

1122

What is the static block?

1072

Which class is used by server applications to obtain a port and listen for client requests?

967

How many types of threads are there in java?

1062

What is wrapper class example?

1004

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