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Explain the term Event Handler?
An event handler is a command that calls a function while an event happens, like as the user clicking a button.
Due to impedance mismatch between relational technology and object you need to understand the progress of mapping classes (objects) and their relationships to tables and relationsh
Explain init(), start(), stop(), and destroy() method? The init() method is known as exactly once in an applet's life, while the applet is first loaded. It's generally used to
We can get the values in the action classes by using data.getParameter("variable name described in the velocity page");
Difference between HashMap and Hash table HashMap: It allow us to have null values and also one null key It is Unsynchronized. Iterator in HashMap is Fail-Safe.
What is a Relational Database? Give the names of any three RDBMS software? Database consist of two or more then two tables are called Relational database. Oracle dabatbase S
A question rising in the mind of XML/DTD designers is whether to model and encode retain information using an attribute, or alternatively, using an element. 1. Using an elemen
What is spreadsheet? List any two jobs that it can do? A spreadsheet is a grid which organizes data within columns and rows. Spreadsheets form it simple to display information,
Java has two kinds of exceptions: 1. Checked exception: handled from java.lang.Exception but not java.lang.RuntimeException. 2. Unchecked exception: handled from java.lang.Ru
Define the difference between StringBuffer and String class?
I neeed to create a basic code to do the following. the class is entry level and I would appreciate a brief explanation as to why you do each bit. Write a program that displays t
hey i want help of your experts. i want a program on event handler mechanism. pls help me out and provide me any program related to event handling concept.
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