ALLInterview.com :: Home Page            
 Advertise your Business Here     
Browse  |   Placement Papers  |   Company  |   Code Snippets  |   Certifications  |   Visa Questions
Post Question  |   Post Answer  |   My Panel  |   Search  |   Articles  |   Topics  |   ERRORS new
   Refer this Site  Refer This Site to Your Friends  Site Map  Bookmark this Site  Set it as your HomePage  Contact Us     Login  |  Sign Up                      
Google
   
 
Categories >> Software >> Java Related >> Java J2EE >> Core Java
 
 


 

 
 Core Java interview questions  Core Java Interview Questions (1721)
 Advanced Java interview questions  Advanced Java Interview Questions (331)
 Swing interview questions  Swing Interview Questions (44)
 EJB interview questions  EJB Interview Questions (134)
 Servlets interview questions  Servlets Interview Questions (255)
 Struts interview questions  Struts Interview Questions (196)
 JDBC interview questions  JDBC Interview Questions (187)
 JMS interview questions  JMS Interview Questions (9)
 SunOne interview questions  SunOne Interview Questions (3)
 J2EE interview questions  J2EE Interview Questions (71)
 Weblogic interview questions  Weblogic Interview Questions (146)
 Websphere interview questions  Websphere Interview Questions (14)
 Java Networking interview questions  Java Networking Interview Questions (20)
 Java J2EE AllOther interview questions  Java J2EE AllOther Interview Questions (87)
Question
List interface?
 Question Submitted By :: Core-Java
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
list inteface can have three types are 1.linkedlist
2.arraylist 3.vector

1.arraylist:It is dynamically growing array that stores
objects.It is not synchronized.
ex:-
ArrayList arl = new ArrayList();

2.Vector:-It is dynamically growing array that stores
objects.It is synchronized.

EX:-
Vector v= new Vector();
 
Is This Answer Correct ?    1 Yes 1 No
Ravichandra
 
Answer
# 2
List interface provides classes and interfaces to save the
objects incliding duplicates.
 
Is This Answer Correct ?    0 Yes 2 No
Ravikiran(aptech Mumbai)
 
 
 

 
 
 
Other Core Java Interview Questions
 
  Question Asked @ Answers
 
what is the difference between ArrayList and Vector Wipro 19
why there are multiple catches for a try block.don't tell me that there can be multiple exception of a code segment that's why.tell me the real fact behind this.   4
Which characters are allowed to use as the second character of an identifier, and which characters are not allowed?   2
What are null interfaces in JAVA ? and give me some examples?   5
How to prevent a field from serialization ?   2
how u do unit testing? iFlex 2
What are the standards to place package statement within a source code file?   1
Is it possible to write JAVA program without including any of the packages,such as "import java.io.*"; bcoz I instantly wrote a code without "import..." statement and runned the program on command Line & it worked. the code is: class Person { String name; int age; Person(String s,int a) { name = s; age = a; } accept() { System.out.println(name+"Hi!!!!!"); System.out.println(age); } } class Demo { public static void main(Strings args[])throws IOException { String name = args[0]; int age = Integer.parseInt(args[1]); Person p = new Person(name,age); p.accept(); } }   3
Read data from console and print in one file. That would be in C:\temp ? Thanks, Bose Oracle 3
suppose in a class there is a code like this: { Set hs=new Hashset(); hs.add(new Emp("kathy",1000)); hs.add(new Emp("kathy",2000)); } how can u avoid the above code in your class as set won't allow duplicate objects?   3
What is the range of the short datatype?   2
whats string ? HCL 10
 
For more Core Java Interview Questions Click Here 
 
 
 
 
 


   
Copyright Policy  |  Terms of Service  |  Articles  |  Site Map  |  RSS Site Map  |  Contact Us
   
Copyright 2013  ALLInterview.com.  All Rights Reserved.

ALLInterview.com   ::  KalAajKal.com