Wireless lans (WLANS) and wireless wans (wwans) rely on as the radio frequency spectrum communication medium.
<h3>What is Radio spectrum?</h3>
The radio spectrum is known to be an aspect of the electromagnetic spectrum that is said to have frequencies from 0 Hz to 3,000 GHz.
Note that Wireless lans (WLANS) and wireless wans (wwans) rely on as the radio frequency spectrum communication medium for their functions.
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Marshalling solve the problem of different byte ordering of sender and receiver by:
- By the use of Common Object Request Broker Architecture (CORBA):
<h3>What is Marshalling?</h3>
Marshalling is the act of moving and formatting a group of data structures into an external data depiction type good for transmission in a message.
A port mapper is known to be a kind of protocol that tells or map the number or the kind of version of any type of Open Network Computing Remote Procedure Call (ONC RPC) program to a port that is often used in the work of networking by that version of that given program.
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It could. But good ones won't.
Radio DJ
Video Editor
Post-production special effects
Acting
Voice acting
Answer:
- import java.util.Scanner;
-
- public class Main {
- public static void main(String[] args) {
- Scanner input = new Scanner(System.in);
- String numStr = input.nextLine();
- double num;
- try{
- num = Double.parseDouble(numStr);
- }
- catch(NumberFormatException e){
- num = 0;
- System.out.println("Value entered cannot be converted to a floating point number.");
- }
- }
- }
Explanation:
The solution code is written in Java.
Firstly, we create a Scanner object and prompt user to input a number (Line 5-6). Next, we create a try -catch block and place the parseDouble inside the try block. If the input is invalid (e.g. "abc"), a NumberFormatException error will be thrown and captured and set the num to 0 and display the error message (Line 11 - 13).
