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 do you check if an arraylist is not empty?

1118

Does a function need a return?

961

Is empty in java?

1053

Do loops java?

1011

What is a nullable field?

1034

What is a nonetype?

1126

What is command line used for?

1090

Is empty string in java?

1171

Can arraylist contain null values?

1013

Can long be null in java?

1009

What is null object in java?

1013

What is empty string literal in java?

1056

What is reverse function?

1128

What is empty list in java?

1071

Is an empty arraylist null?

1089

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Un-Answered Questions { Core Java }

What do you understand by abstract classes?

1067

What is javac in java?

1002

What is a boolean structure?

1084

What are the kinds of polymorphism?

1090

What is jrmp?

964

What methods are used to get and set the text label displayed by a button object?

1013

What is udp in java?

970

What is an object class?

1024

What is a predicate method?

1014

What are the five major types of reference sources?

1122

What are inbuilt functions in java?

1078

How many bytes is string in java?

1242

Can we create constructor in abstract class ?

1053

What technique is carried out to find out if a particular string is empty?

1013

What do you mean by object?

971

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