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 a method in java?

1102

What is java lang string?

1058

What is void in java?

1144

How do you override a method in java?

1049

Can we overload final method in java?

1032

What is final method in java?

1082

What is a method signature java?

1108

What is this () in java?

1082

Is main a keyword in java?

1023

Is java call by reference?

1019

Can java program run without jre?

1061

Does java return by reference?

1069

What is variable argument in java?

1068

Why there is no call by reference in java?

973

What is a static method in java?

1094

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Un-Answered Questions { Core Java }

what do you mean by classloader in java?

1068

Why is java logo a cup of coffee?

1252

Can a class be final?

988

Do I need to import java.lang package any time? Why?

1454

How do you identify if jvm is 32-bit or 64-bit from java program?

1009

What is the purpose of sizeof operator?

1117

Difference between == and .equals() ?

1037

Why do we need strings in java?

1039

What is foreach loop in java?

1068

What is byte code and why is it important to java’s use for internet programming?

1195

What is mean by collections in java?

1253

Can you sort a string in java?

971

Can java cast null?

1080

What is the difference between a field variable and a local variable?

1157

How does list work in java?

967

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