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Write a java code to explain Else If ?
if statements are not limited to two cases. You can merge an else and an if to form an else if and test a overall range of mutually exclusive possibilities. For example, here's a version of the Hello program in which handles up to four names on the command line: // This is the Hello program in Java
class Hello {
public static void main (String args[]) { if (args.length == 0) { System.out.println("Hello whoever you are"); } else if (args.length == 1) { System.out.println("Hello " + args[0]); } else if (args.length == 2) { System.out.println("Hello " + args[0] + " " + args[1]); } else if (args.length == 3) { System.out.println("Hello " + args[0] + " " + args[1] + " " + args[2]); } else if (args.length == 4) { System.out.println("Hello " + args[0] + " " + args[1] + " " args[2] + " " + args[3]); } else { System.out.println("Hello " + args[0] + " " + args[1] + " " args[2] + " " + args[3] + " and all the rest!"); }
}
}You can see in which this gets mighty complicated mighty fast. No experienced Java programmer would write code like this. There is a better solution and you'll explore it in the further section.
State the Verify phase of Java Program Development Before the bytecodes in an application are executed by the java interpreter, they are verified by the bytecode verifier in
how to retrieve multiple records randomly from a file and store it in another file
UnsupportedClassVersionError
Hospital Management System: Technology Used Java-JSP, Apache Tomcat (webserver), SQL SERVER 2000. This project is aimed at developing a web-based system for taking records
Explain Subclasses and Polymorphism ? Car and Motorcycle are subclasses of MotorVehicle. If you instantiate a Car or a Motorcycle along with new, you can use in which object a
Separating your business logic with other functionality such as services, Loggers etc, making classess more cohesive.
Does RMI-IIOP support dynamic downloading of classes? Ans) No, RMI-IIOP doesn't support dynamic downloading of the classes as it is complete with CORBA in DII (Dynamic Interface
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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.
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