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 java in detail?

1083

What is multithreading and its advantages?

1086

What are the different types of java?

1078

What is thread life cycle in java?

1087

How do generics work?

962

Is alive method in java?

998

What is the main use of generics in java?

1012

What is autoboxing in java?

1086

What is advantage of java?

1044

How do you start a thread?

1059

What is quick sort in java?

1036

What are the different types of sorting in java?

995

How many types of threads are there in java?

1076

Why hashset is used in java?

1091

What is a get method?

1074

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Un-Answered Questions { Core Java }

What are different ways of object creation in java ?

1097

What is unicode datatype?

986

Is java still relevant?

990

What is the size of int?

1100

What is a variable simple definition?

1040

Can a java program have 2 main methods?

1071

How do you escape in java?

1094

How garbage collection is done in java?

1070

What are the advantages of java over cpp?

1089

What is the size of a string in java?

1035

Is Constructor possible in abstract class in java ?

1079

Is there a jre for java 11?

1110

Difference between character constant and string constant in java ?

1034

How is garbage collection controlled?

1190

What’s the difference between unit, integration and functional testing?

1125

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