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 are the loops in java?

1021

How to use arraylist in java netbeans?

1092

Why collection is called framework in java?

1038

How to print an arraylist in java?

1160

Why vector is used in java?

1068

Why set do not allow duplicates in java?

1183

Is vector synchronized in java?

1050

Can set contain duplicates?

1046

Can we create our own daemon thread?

1029

Why stringbuilder is not thread safe in java?

1062

Is string is a keyword in java?

1030

Why are lists ordered in java?

1058

How to split arraylist elements in java?

1229

Why set is used in java?

1065

How to access arraylist elements in java?

1033

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Un-Answered Questions { Core Java }

What is numeric function?

1067

What is a variable and constant?

1059

Can inner class extend any class?

1094

What are heterogeneous objects?

1084

How to implement a multithreaded applet?

2729

What is the difference between length and length () in java?

991

What is sortedset in java?

1069

Does java allow overriding static methods ?

1155

What is class level lock ?

1078

Explain how to convert any java object into byte array.

1010

What is jagged array in java?

1148

What is variable argument in java?

1067

Why set is used in java?

1065

How do I type unicode?

1022

Can finally block be used without a catch?

1057

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