Core Java Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Core Java Interview Questions

Questions Answers Views Company eMail

If you are given the name of the function at run time how will you invoke the function?

Adobe, Yahoo,

1190

What is class??

Tech Mahindra,

1300

Explain the scope of a variable.

TCS,

1154

What do you mean by static variable?

TCS,

1120

What is a class instance variable?

Tech Mahindra,

1174

What is generic class?

Tech Mahindra,

1138

What function extracts specified characters from a string?

1061

What are different types of classloaders?

1077

Can we use String with switch case?

1254

What are the important features of Java 10 release?

1039

What do you mean by platform independence of Java?

1232

How to run a JAR file through command prompt?

1350

What is try-with-resources in java?

1226

What is JVM and is it platform independent?

1113

What is composition in java?

1346

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Un-Answered Questions { Core Java }

Explain importance of throws keyword in java?

1041

What are three ways in which a thread can enter the waiting state in java programming?

1227

Which collection is ordered in java?

1034

What is the purpose of encapsulation?

1061

What is java string pool?

1061

What are the advantages of inner classes?

1069

What java ide should I use?

1051

What is a final class in java?

1070

What are inbuilt functions?

1048

What are the types of methods in java?

1186

What is autoboxing and unboxing?

1066

How to check if linked list contains loop in java?

959

Is an object null?

1035

What is extension method in java?

1092

What do you mean by jjs in java8?

1067

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