J2EE英文面試題及答案
is oracle.
is major differenece oracle8i and oracle9i.
me some thing ur self.
se tell me about oops.
is single inheritance.
is multiple inheritance.
java support multiple inheritance.
is interface.
is differenec between abstract class and interface.
to u prove that abstrace class cannot instantiate directly.
is differenece between string and stringbuffer.
is immutable
to write a program using sort program.
15 how to write a program using unsort program.
is legacy.
is legacy api
is legacy interface.
is main difference hashmap and hastable
is main difference between arraylist and vector.
is struts framework.
are distributed techonologies.
is advantage and disadvantage of distributed techonologies.
is main difference between jsp and servlets.
is difference between procedure and functions.
is jdbc.
are type of drivers.
is type 4 driver.
to collect requuirements form u r client.
h process use in ur project.
is deployment descriptor.
is heirarchy of files in struts.
se draw struts frame wrok.
se draw j2ee architecture.
se draw mvc-2 architecture.
se draw that how design op module.
to find a file on linux.
to configure weblogic8.1 on linux.
you use struts framework in ur project.
is platfrom independent
is awt and swing.
is heavy wieght components.
is feature of weblgoic8.1.
you choose application server on linux and database server on aix.
se tell me about ur project.
is major concepts in oops.
u choose mvc-2 architecture.
is implicit object.
many implicit objects in jsp
choose weblogic8.1 other than any applicationserver.
is water fall model vs sdlc
is use of dataflowdiagrams
t is ip in ur project.
about reception module
【參考答案】
1. Oracle is an RDBMS product with DDL and DML from a company called Oracle Inc.
2. Difference between 8i and 9i is given in the Oracle site
3. Question not available
4. Something
5. oops is Object Oriented Programming
is single inheritance.
ans:one class is inherited by only other one class
is multiple inheritance.
ans:One class inheriting more than one class at atime
java support multiple inheritance.
ans:No
is interface.
ans:Interface has only method declarations but no defn
is differenec between abstract class and interface.
ans:In abstract class some methods may contain definition,but in interface every method should be abstract
to u prove that abstrace class cannot instantiate directly.
ans:As they dont have constructor they cant be instantiated
is differenece between string and stringbuffer.
ans:Strings are immutable where as string buffer can be modified
is immutable
ans:Which cant be changed
to write a program using sort program.
15 how to write a program using unsort program.
ans: Both can be done using javascript
This is for Sort
function SelectTextSort(obj) { // sort by text
var N=th;
for (var i=0;i
for (var j=i+1;j
if ( ons[i] > ons[j] ) {
var i1= (ons[i]cted == true ) ? true : false
var j1= (ons[j]cted == true ) ? true : false
var q1 = ons[j];
var q2 = ons[j]e;
ons[j] = ons[i];
ons[j]e = ons[i]e;
ons[i] = q1;
ons[i]e = q2;
ons[i]cted = (j1 && true ) ? true : false
ons[j]cted = (i1 && true ) ? true : false
}
}
}
return true
}
is legacy.
is legacy api
is legacy interface.
ans: legacy is something that is old in terms of technology/ system
is main difference hashmap and hastable
ans:Hash table is synchronised
is main difference between arraylist and vector.
ans:Vector is synchronised
is struts framework.
are distributed techonologies.
distributed technologies means any technology / s/w program that are having many components in multiple environments that interact with each other depending on the functional requirements and design.
is advantage and disadvantage of distributed techonologies.
overdependance on single platform / single language is avoided. Application can be built flexible to meet requirements. Division of labour is possible. Best of all the technologies and platforms can be optimally utilized. Complexity of requirements can be reduced.
is difference between procedure and functions.'
ans:Fuctions can return value ,procedures cant return value
is jdbc.
ans:Connecting to DB from java program requires JDBC
are type of drivers.
type1,2,3,4
to collect requuirements form u r client.
is not a job of a technical person. It is better for a BA to do it.
h process use in ur project.
Generally u can say:
Project related process: Analysis, Design, Sign-off Documents, Implementation, Integration, Testing, UAT
Work related process:
Technical Design, Work Allocation, Code Review Checklist, Unit Test Form will be prepared by the Project Lead and given to the developer.
Developer prepares the Unit Test Case
Implements Code, Performs Test
Submits Code through CVS / VSS
Submits documents along with Release Checklist to the tester / leader.
is deployment descriptor.
ans:Which contains the infrnmation like which file to be used
is platfrom independent
ans:A language is said to be platform independent if it can be run on any machine with out modifying code
is awt and swing.
ans:AWT are heavy weight components and swings are light weight components
is major concepts in oops.
ans:Abstraction,polymorphism,encapsulation,inheritance
u choose mvc-2 architecture.
ans:In MVC-2 controller is servlet rather than JSP which makes it efficient
is implicit object.
ans:Implicit objects are a set of Java objects that the JSP Container makes available to developers in each page
many implicit objects in jsp
ans:out,page,session,request,response,application,page context,config