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Explain the Rules for toString() Methods ?
toString() methods should return a single line of text that does not contain any carriage returns or linefeeds. toString() methods are primarily for debugging.toString() should not do a lot of fancy processing. toString() methods should be fast.
The string returned through toString() should contain the name of the class, and names and values of the fields which represent the state of the object, unless there are an excessive number of such fields, in that case only the most important should be returned.
A better Car toString() method would be: public String toString() { return "[Car: plate=" + this.licensePlate + " speed=" + this.speed + "; MaxSpeed=" + this.maxSpeed +"]"); }These rules are conventions, not needs of the language.
Component classes generally move the task of generating output to the renderer. All JSF components follow it. Render kit is a set of related renderers. javax.faces.render.RenderKit
What is JDBC exactly? Describe the steps required to execute a SQL query using JDBC.
I just finished a small tutorial on JSP and servlet now I was looking for some assignments so that I can try my hands on
Cryptography, the study of secret writing, has been around for a very long time, from simplistic techniques to sophisticated mathematical techniques. No matter what the form howeve
Explain The different kinds of exceptions ? Checked Exceptions : Environmental error in which cannot necessarily be detected through testing; e.g. broken socket, disk full,
write a program to find the area under the curvey y=f(x) between x=a and x=b.integrate y=f(x) between the limits of a and b. the area under a curve between two points can be found
Ask1. Storing the Array: Write an application that uses an Array to store 10messages of type String. You will store this Array with 10 messages of your choosing. For example, a mes
The Local Systems IP Address and Port Number and the Remote System's IPAddress and Port Number.
Point-To-Point (PTP). This model permits exchanging messages via queues formed for some purposes. A client can send and receive messages from one or various queues. PTP model is ea
How Polylines draws in java language? Java automatically closes the polygons it draws. That is it draws polygons which look like the one on the right rather than the one on the
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