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

what is a thread?

IBM, SunGard,

13 22658

What is difference between Forward() and sendRedirect() methode?

Polaris,

14 31402

class{ ... ... interface myinterface{ ... ... } abstract class{ .. .. } ... .. .. } is this possible to write "Interface and/ or Abstract class inside a class ? if possible whcich one is possible is only interface? is only abstract?

Logica CMG,

2 8474

class A{ m2(){ } } class B extends A{ m2(){ } } class c extends B{ m2(){ } } class my_class extends c{ m2(){ } pulic static void main(){ ...My_class a = new my_class(); super.super.super.m2(); is this is leagal if not find what is the legal procedure in order to call A's version of m2(); }

Logica CMG,

8 21112

Name the Implicit variable which is used to access other implicit objectes present in JSP.

AZTEC,

7 19769

How ThreadSafe page attribute will be working in Servlet as well as in JSP?Automatically ThresdSafe is true in JSP so service method will be destroy in each and every request or not?so how thresd will handle srevice method?

AZTEC,

1 6052

what is the difference between Servlet and JSP?Advantage of JSP over Servelt?Any concept present in JSP which we cant implement in Servlet?

ABC, Apere, AZTEC, CTS, CybAge, iFlex, Impact Systems, Sara, TCS,

31 146492

Difference between Include, Forward and sendRedirect in Servlet?

AZTEC, KPIT, TCS,

7 73075

Directive Include and Action Include how both are working in JSP, what is the difference between both?In which suituation we have to choose these elements?

AZTEC,

4 10694

which method is used to know the status of the Thread?

Honeywell,

9 15816

is this possible to create an array of 0 length? if so how? if not so why? coz we have an array in main() likw this "static void main(String [] s) then what it signifies?

Hexaware, TCS,

3 18549

what exactly happens when we execute "Class.forname("Driver class name");"?Explain indetail

Accenture, HP, IBM, Infosys, SAP Labs, SAS, Sasken, Trigent, Wipro,

10 27702

Is it possible to write static method in abstract class? justyfy your answer?

Hexaware,

5 15829

what is the difference between HashMap And HashTable?

Hexaware,

5 13739

what is the difference between abstract class and Interface?where we can use it in realtime projects?

Agile Software, Cognizant, IBM, Innodata, Logica CMG, Mitosis, Nagarro, Value Chain,

23 72371

Un-Answered Questions { Java Related }

Differentiate between static and non-static methods in java.

1115

Can we return resultset in java?

985

What is latest hibernate version?

483

Explain public static void main(string args[]) in java.

1061

Write a program to find the whether a number is an Armstrong number or not?

1093

explain different ways of using thread? : Java thread

1075

What is action chaining ?

1155

What is parsing in java?

1023

Write a program to print count of empty strings in java 8?

1077

What is difference between @controller and @restcontroller in spring?

532

What do you understand by casting in java language? What are the types of casting?

921

hi actully i hav form columns with origin and destination names .as like as i need to create one more column with name amount. my requirement is when i select origin and destination columns automatically i need to get amount from database.how can i. please tel me with relative code

2856

What are the contents on web.xml in struts application ?

1057

Are jvm’s platform independent?

967

Can we extract main method from another class?

1020

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