Command Line Arguments

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Program72.java

See  Section 7.13 and watch the Command Line Arguments (2:08) video (image of the video below). Then, write a program that takes two double command line arguments representing the sides of a rectangle. The program should then call a void function that reports the area of the rectangle accurate to three decimal places.

COP2250 Command Line Arguments
O Java - chapter9/src/chapter9/CommLineArgs.java - Eclipse SDK - /Users/bradyourth/Desktop/myeclipse
*• 0• Q.
PyDev
Java
Package Explorer 8
CommLineArgs.java X
package chapter9;
chapter9
public class CommL ineArgs {
src
' chapter9
D CommLineArgs.java
E JRE System Library (JavaSE-1.6
| collatz
public static void main(String[] args) {
# chapter9
©, CommLine
System.out.println("# of command line args:
System.out.println("Command line args in order...");
+ args.length);
main(St
Jexercise4_17
Jexercise4_9
exercise8_11
for(int i = 0; i < args.length; i++) {
System.out.print(args[i] + " ");
}
System.out.println();
int sum = Integer.parseInt(args[3]) + Integer.parseInt(args[4]) + Integer.parseInt(args[5]);
System.out.println("The sum is " + sum);
helloworld
}
Problems @ Javadoc
Declaration Console X
<terminated> CommLineArgs [Java Application] /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home/bin/java (Jan 2, 2012 11:33:58 PM)
# of command line args: 6
Command line args in order...
Java is cool 1 2 3
The sum is 6
02:06 / 02:08
CC
10
Transcribed Image Text:COP2250 Command Line Arguments O Java - chapter9/src/chapter9/CommLineArgs.java - Eclipse SDK - /Users/bradyourth/Desktop/myeclipse *• 0• Q. PyDev Java Package Explorer 8 CommLineArgs.java X package chapter9; chapter9 public class CommL ineArgs { src ' chapter9 D CommLineArgs.java E JRE System Library (JavaSE-1.6 | collatz public static void main(String[] args) { # chapter9 ©, CommLine System.out.println("# of command line args: System.out.println("Command line args in order..."); + args.length); main(St Jexercise4_17 Jexercise4_9 exercise8_11 for(int i = 0; i < args.length; i++) { System.out.print(args[i] + " "); } System.out.println(); int sum = Integer.parseInt(args[3]) + Integer.parseInt(args[4]) + Integer.parseInt(args[5]); System.out.println("The sum is " + sum); helloworld } Problems @ Javadoc Declaration Console X <terminated> CommLineArgs [Java Application] /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home/bin/java (Jan 2, 2012 11:33:58 PM) # of command line args: 6 Command line args in order... Java is cool 1 2 3 The sum is 6 02:06 / 02:08 CC 10
Expert Solution
Step 1

We can provide 2 command line arguments in double format and use  Double.parseDouble for parsing the otherwise string command line args to Double..

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