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Core Java Interview Questions
Questions Answers Views Company eMail

whats the life cycle of jsp

Satyam,

2 4597

what is mean by method signature?

Satyam,

8 9570

what is mean by String and StringBuffer? What is mean by Methooverriding and Overloading?

Satyam, STI,

3 7072

whats the life cycle of jsp

Satyam,

15 18168

wht is customised exception?

Logica CMG, Novell, Prudential,

1 5105

what is diff bet iterator and enumeration?

4 7756

whats is the use of final,in which situation final can be used in the application?

DNS,

2 4131

Explain class A{} class B{} class C{} all the three classes are saved in a single file name, what the name should i provide to the file ,in what file name should i run the program? Ple Explain

DNS, Infosys, TCS,

9 9930

what is overloading in java?

Ascent, DNS, Infosys, SDA, VelTech,

13 29199

They had given one progam final HashMap hm=new HashMap(); public void show() { hm.put("name",value); } in this prg here the final hashtable value can be changed in put method,its the prg run?

DNS, Wipro,

3 11484

they asked class A{} class B{} class c{} all the three class saved as a single file,there is no main method in the file and anothe class M.java class m { psvm(String args[]) { // here the parent class can access } }

DNS, IPSR Solutions,

2 4988

how you will prevent inheritance is there any other way other than inheritance?

Wipro,

4 7655

how you will prevent method overriding?

HCL,

6 12000

byte a=5; byte b=5; byte c=a+b; System.out.println(c); whats the o/p?

NIIT, Wipro,

7 19676

whats is inheritance?

CTS, HCL,

15 13561


Post New Core Java Questions

Un-Answered Questions { Core Java }

When will we prefer to use set and list in java and why?

409


How is it possible for two string objects with identical values not to be equal under the == operator?

392


Hi i am creating desktop application in that i want calling to mobile number. i have java telephone api (JTAPI) but i dont understand how it configure & use plese help me

1218


What is the difference between the direct buffer and non-direct buffer in java?

379


What do you understand by an io stream?

407






What are the differences between checked exception and unchecked exception?

379


How is java hashmap implemented?

401


what is meant by abstract class?

483


Is java free for businesses?

424


What is difference overloading and overriding?

414


We are seeing so many videos/audios as many web sited. But question is these videos or audios are stored in Databases ( Oracle, Mysql, Sybase,... ) or stored any file directory from there they will give the link for that? Pls explain and give sample code to achieve this one? Thanks, Seenu.

1344


how to write a program for sending mails between client and server

1416


What is the use of math abs in java?

388


What is toarray method in java?

392


Difference between operator overloading and function overloading

436