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print() in java script

display the print properties dialog box <script> print(); </script>

model 2 architecture in struts

model 2 architecture in struts controlling logic is completely secerated from presentation logic . model 2 architecture controller part can be implemented using servlet model 2 architecture view part can be implemented using jsp model 2 architecture model part can be implemented using ejb3 or spring in the model 2 architecture servlet is providing single entry point to all of the client .

Struts 2 Interview Questions

Struts 1.x vs Struts 2.x Main Differences In struts 1 front controller is ActionServlet In 2.x front controller is FilterDispatcher In struts 1.x we have RequestProcessor class In 2.x we have Interceptors instead RequestProcessor will see about this concept later just remember as of now In struts 1.x we have multiple tag libraries like, html, logic, bean..etc In 2.x we do not have multiple libraries, instead we have single library which includes all tags In struts 1.x the configuration fine name can be [any name].xml and we used to place in web-inf folder In 2.x the configuration file must be struts.xml only and this must be in classes folder In struts 1.x we have form beans and Action classes separately ...

What is the difference b/w Iterator and ListIterator?

Iterator : Enables you to cycle through a collection in the forward direction only, for obtaining or removing elements ListIterator : It extends Iterator, allow bidirectional traversal of list and the modification of elements

What is difference between array & arraylist in java ?

An ArrayList is resizable, where as, an array is not. ArrayList is a part of the Collection Framework. We can store any type of objects, and we can deal with only objects. It is growable. Array is collection of similar data items. We can have array of primitives or objects. It is of fixed size. We can have multi dimensional arrays. Array: can store primitive ArrayList: Stores object only Array: fix size ArrayList: resizable Array: can have multi dimensional Array: lang ArrayList: Collection framework

java interview questions

core java interview questions WHAT IS JAVA ? The Java Platform? what is Unicode? what is Byte code? who developed the java? when java is invented? what is the advantage of java? what is oops concept in java ?? WHERE IT AS USE? WHY JAVA USE? what is the use of oops? why java intermediate language? what are the dis advantage of oops? how many java language keywords? what is the use of keywords? why we are using java keywords? what are the use of data types? how many data types are supported in java? how many numeric data types are supported in java? java control structures? what is break? what is continue in java loop? java control statements ? java Control loops? how to declare the variable in java? what is array ? how to initialize array in java? how many types of arrays in java ? what is the use of array? array index out of bounds exception java? how to Accessing Array Element? how to manipulation and replacement in array? how to calculat...

java interview question and answers for freshers

100 Java Questions

Variables in java

Variables: There can be three types of variables in java. 1. Instance Variables : These are Non-Static Fields. Individual states of objects are stored in Instance variables. These are declared without the static keyword. For number of objects created from a class all objects use same copy of instance variable. Example: import java.io.*; class Student{ // this instance variable is visible for any child class. public String name; // percentage variable is visible in Student class only. private double percentage; // The name variable is assigned in the constructor. public Student (String StudName){ name = StudName; } // The percentage variable is assigned a value. public void setPe...

Introduction in java

1. Introduction JAVA is a high-level programming language developed by Sun Microsystems. Java was originally called OAK, and was designed for handheld devices and set-top boxes. Some features of java: 1. Simple: Some of the features that make java a simple language are no direct use of pointers, strong memory management, automatic memory allocation and deallocation. 2. Portable: Java language is portable as programs written in java can be run on any system having interpreter for JVM. Also, java has standard size irrespective of operating system or processor. 3. Robust: Features that make java robust include powerful exception handling, type checking mechanism, strong memory allocation and automatic garbage collection mechanism. 4...