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 is hashing principle in java?

1078

What is time complexity java?

1039

Which is faster set or list in java?

1075

What is size () in java?

1148

What is a key in java?

1018

What is import java util arraylist?

1238

Why we go for collections in java?

1022

What is arraylist class in java?

1116

What is java util concurrentmodificationexception?

956

What is thread safe java?

971

What is fail first in java?

1286

What is the difference between length and size in java?

1029

What is the maximum size of array in java?

1024

What does index mean in java?

1034

What is complexity in java?

1107

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Un-Answered Questions { Core Java }

What is the size of arraylist in java?

1065

How many types of threads are there in java?

1105

What is a variable analysis?

1137

How variables are declared?

1028

Why method overriding is used?

1158

How to split a string in java?

1179

Define "Access specifiers" in java.

1214

Tell us something about an iterator.

1006

what are the methods in object?

1203

explain local datetime api in java8?

1053

When a byte datatype is used?

2335

Define a package.

1167

How we can run a jar file through command prompt in java?

1013

What is jpa specification?

1024

How do you use spaces in java?

1034

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