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

Java J2EE (14736)
J2ME (151)
Java Related AllOther (507)

Java Related Interview Questions

Questions Answers Views Company eMail

Describe the Big-O Notation.

Global Logic,

1102

What is the use of StringTokenizer class?

Hexaware, Virtusa,

1119

Difference between stack and queue?

Flextronics,

1144

Describe the syntax of multiple inheritance? When do we use such an inheritance?

Fidelity,

1149

What is the concatenation operator in java?

Aspire, Infogain,

1219

Explain the access modifiers for a class, method and variables?

Global Logic,

1186

What is OOP's Terms with explanation?

1249

What is better - 'bit-shift a value' or 'multiply by 2'?

DELL,

1266

How would you use Bubble Sort to sort the number of elements?

Genpact,

1064

What is close method? How it's different from Finalize & Dispose?

InfoAxon Technologies,

1132

Can a private method be declared as static?

Global Logic,

1071

What do you understand by access specifiers in Java?

Genpact,

1059

Implement two stacks using a single array.

Global Logic,

1111

What is the use of 'super' keyword inside a constructor?

Flextronics, Thomson Reuters, Virtusa,

1027

What is the method to declare member of a class static?

HCL,

1063

Un-Answered Questions { Java Related }

Can I declare a class as private?

1131

How to log hibernate generated sql queries in log files?

528

What is dao in java?

1038

Why are there no global variables in java?

1114

How to read message from jms queue in java?

950

Is java pass by value or pass by reference?

1039

os is developed in c no java is more secured then c na why dont the os developed is developed using java

4309

What is a top level class in java?

1093

What is meant by connection string?

1028

What is difference between javac and java?

1097

What access modifiers can be used for class ?

1081

What is string args [] in java?

1076

What value does read() return when it has reached the end of a file?

1082

What is the use of jtable?

1176

What do you know about java?

1021

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