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 difference between hashset and hashmap in java?

1030

What is collection sort in java?

967

What is toarray method in java?

1123

What is class array in java?

1085

What should I import for arraylist in java?

1060

What are the types of collections in java?

1068

How does arrays sort work in java?

1020

What is ordered map in java?

1034

What is array sorting in java?

1085

What is pangram in java?

1034

What sorting algorithm does javascript use?

1006

What is java util collection?

1112

Can we sort array in java?

973

Can you sort a list in java?

1003

What is a priority queue java?

1005

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Un-Answered Questions { Core Java }

What are reference variables in java?

1140

What is the difference between an object-oriented programming language and object-based programming language?

1023

Is java a digit method?

1015

How many arguments can a method have java?

1044

What is the use of arrays tostring () in java?

1054

What is the size of an array?

1056

What does function identity () do?

984

What is the difference between assignment and initialization?

1066

Is double bigger than float?

1011

Explain different types of thread priorities ?

1115

What is string args [] in java?

1047

How many bytes is a string?

1152

What an i/o filter?

1034

Explain public static void main(string args[]) in java.

1007

What is parsing in java?

977

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