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

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Java Related Interview Questions

Questions Answers Views Company eMail

"Sun Certified Java Programmer" This is one String , we need to print SCJP, write the java code dynamically? pls reply this questions

Photon,

6 9258

What is the O/P of the below Code Snippet ? And how does it imply the concept of call-by-value/call-by-reference. (Note : Pls ignore syntx errors) public class One { sop ("Into One--"); } public class Two extends One{ sop ("Into Two--"); } public class Home { One a; Two t; public static void main(argv[]) { sop ("In Home--"); sop(One.a); sop(Two.a); sop(One.t); sop(Two.t); } }

Wipro,

2 4898

Whats the O/p of the below code snippet ? And explain how does it imply the concept of call-by-value/call-by reference. (PS : Pls ignore syntax errors) public class One { public oneA(){ sop ("Into One--");} } public class Two extends One{ public twoT(){ sop ("Into Two--"); } } public class Home { One a; Two t; public static void main(argv[]) { sop ("In Home--"); sop(a.oneA()); sop(t.oneA()); sop(a.twoT()); sop(t.twoT()); } }

Wipro,

4 7054

Explain the following statement: Java is always pass-by-value.

Wipro,

4 9484

What is the difference between interpreter and compiling ?

TCS,

2 4397

What is the difference between interpreter and compiling ?

TCS,

7 9275

what is platform

i3 Solutions,

2 4398

what is platform native code

i3 Solutions,

2 5497

what is language and it responsibilities

1 3422

what is translator and it types

1 3511

what are the application of compiler and interpreter for source program

2 4671

what is platform dependent translation and platform dependent programming language

2 4145

what is net based application and its types

1 3546

justify c is portable

1 3682

what is domain object

1 4672

Un-Answered Questions { Java Related }

Q1.A. Write note on “The class path Environment Variable”? B. Which are different kinds of source code? Q2.A. How to create an interface? B. Why convert an applet to an application? Q3.A. How to use Media tracker Class. B. How to use string tokenizer class. Q4 A. Explain the overview of UDP messaging. B. Difference between SQL Exception class and SQL Warning class. Q5. A. How to create com object in Java? B. Write short notes on “The properties class” Q6. A. When object is created and destroyed? B. Explain the JDB in depth & command line. C. Write short notes on Web Sites.

8530

Why do we need annotations in spring?

455

Is it possible to override private or static method in java?

996

What is mappedby in hibernate?

415

Where are local variables stored?

970

What is layout in java swing?

1001

What is initialization parameter?

1066

How ejb invocation happens?

1048

Which methods cannot be overridden in java?

1001

Explain the selection sort algorithm and state its time complexity?

1022

In Java list the methods that can be overridden?

1013

Which is better 64 bit or 32 bit?

945

What is protected access modifier?

1006

What are the purpose of introspection?

1221

What is the difference between Java1.4 and Java1.5

2318

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