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Java J2EE Interview Questions
Questions Answers Views Company eMail

State differences between C and Java?

Deloitte, JPMorgan Chase,

1268

Differentiate storage classes on the basis of their scope?

Fidelity,

1246

What are "class access modifiers" in Java?

Genpact,

1227

How are multiple inheritances done in Java?

Atos Origin,

1212

Can we force garbage collector to run ?

B-Ways TecnoSoft,

1114

What is the difference between overriding and overloading in OOPS.

Axtria, ITC Indian Tobacco Company,

1229

What do you mean Abstraction in java?

Aspire, Infogain,

1132

What is meant by 'Class access modifiers'?

HCL,

1106

Compare Mutex and Semaphore in java.

Ciena,

1063

Describe the Big-O Notation.

Global Logic,

1102

What is the use of StringTokenizer class?

Hexaware, Virtusa,

1121

Difference between stack and queue?

Flextronics,

1147

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

Fidelity,

1153

What is the concatenation operator in java?

Aspire, Infogain,

1226

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

Global Logic,

1192

Un-Answered Questions { Java J2EE }

How duplicate form submission can be controlled in struts?

1186

Explain the importance of finally block in java?

1031

What is difference between spring and struts?

1010

How does java enable high performance?

1207

How can you write a loop indefinitely in java programming?

1081

What is spring and why it is used?

545

How can we retrieve data from the resultset?

1038

What is classes in java?

996

What is cmp in j2ee?

973

what is method reference in java 8?

1098

What is linked hashset and its features?

1126

Does google use spring framework?

459

What is meant by call by reference?

1099

1.IN CASE OF DYNAMIC METHOD DISPATCH WHY WE USE REFERENCE VARIABLE,WE CAN USE THE DIFFERENT DEFINED OBJECT DIRECTLY TO ACCESS THE DATA MEMBER AND MEMBER FUNCTION OF THAT RESPECTIVE CLASS?WHAT IS THE MAIN FUNCTION OF "REFERENCE VARIABLE" HERE?

5102

What are the cons of struts 2?

1068

For More Un-Answered { Java J2EE } Questions Click Here