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Describe about basic java programming language?
1. Study the Java programming language: its syntax, patterns, idioms, and styles. 2. Become comfortable along with object oriented programming: Learn to think in objects3. Learn the fundamentals of the Java class library, and learn how to learn about other elements of the library when you need them. 4. Introduce event driven Graphical User Interface (GUI) programming
If there's one thing all these topics boil down to, one thing I'm going to emphasize above all else in this class, it is this: It is not sufficient just to write code that works. It is as significant--perhaps more important--to write code well; not merely code that works, but code that is legible, maintainable, reusable, fast, and efficient.
Relate java with JVM Java performance gets better each year as JVM gets smarter. This works, since making JVM smarter doesn't require any great change to the java language, sou
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
Give an example of Class or static Members? Below is a Car class along with such a speedLimit field and getSpeedLimit() method. public class Car { private String licensePla
How much CPU time does an applet get? One of the few legitimate concerns about hostile applets is excessive use of CPU time. It is possible on a non-preemptively multitasking s
1. Which of the following are not valid Java identifiers, and why? (a) wolVes (b) United(there is only one) (c) 87 (d) 5 3 (e) Real ale (f) isFound?by 2. A cla
Give an example of code using static and finalize Example Code: using static & finalize () We want to count exact number of objects in memory of a Student class the one de
Public class ConversionProgram { public void start() { String userChoice = askConversionCategory(); while (userChoice.equals("1") || userChoice.equals("2") || Page 2
Object-to-Relational (O/R) mapping : There are various ways to persist data and the persistence layer is one of the most important layers in any application development. O/R ma
What is casting? There are two types of casting, casting among primitive numeric types and casting among object references. Casting among numeric types is used to convert large
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