Hi all, i need Help in Arrays
Hi All,
I have some problems on the below questions scenario;
Program 1
You are to write a program using a method other than main. The program is to
� collect monthly rainfall figures for 12 months
� pass the total annual rainfall to another method which calculates the average monthly rainfall and returns it to the main method
� calculate the variation of each month from the average (as a positive)
� display the results
Sample input screen
Enter rainfall for month 1: 13.3
Enter rainfall for month 2: 14.9
Enter rainfall for month 3: 14.7
Enter rainfall for month 4: 23.0
etc for the 12 months jan-dec
After the 12 months of data has been collected as report as follows is displayed:
Annual Rainfall Report
Monthly average: 15.04mm
Month Rainfall Variation
January 13.3 1.73
February 14.9 0.13
March 14.7 0.33
April 23.0 7.97
etc for the year�
Problem 2
You are to make major improvements to last week�s program.
The format of your program and some key elements should be as follows:
public class Rainfall
public static void main()
Create an array for monthly rainfall
Loop to collect rainfall figures from user and store in array
Loop through rainfall array
Call printRainfall method passing month number, rainfall for that month, and average as parameters
printRainfall method
Create an initialiser list array of month names
(ie hard code the month names in your program)
Print report headings
Use the parameters to access month names array and print report detail line
I have problems with the Problem 2 which i can't loop up the input values and printouts using aarays to do it.
Can anyone out there help me to solve the problems ? If possible, please reply me at my email @ [email protected] .Lotsa thanks.
Thanks and Regards.
So why don't you tell us exactly what's going wrong and show us the code where it's going wrong.
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Any help for array question
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mySiti
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I have a big problem, i try to make a java class, where i can open a file and add new words, and to sort them in a right order
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[General]
Custom=1
DefaultProfile=Yes
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[Internet Account List]
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5. int matrix [] [];
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Need Help for Array with Object
hey there guys... am trying to complete my project which is to create a Library System. Was able to create a list to show the books available when they select the book and click a borrow button it can print out the book.
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i am usin a main screen (ms) who is controlling all the functions. been trying and trying on this for very long hopefully there will be those who are able to help me out.
my customer screen would be like this... but how can i add in the array for books borrowed
import javax.swing.*;
class Customer
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I have been on this board several times and still can't locate the answer to allow me to play my music in Itunes. Here is my situation. If you can help, I would appreciate it.
I have had my Itunes library stored on my external hard drive. I hadn't accessed Itunes in a while and when I did, my music is no longer being recognized by the program. All I get is the exclamation point next to each song and when I click on the song I am asked to relocate the song itself. Since getting the exclamation point no matter what I do short of relocating every song individually (over 4000 songs), I decided to call "apple cares". I had no success with them as they couldn't help.
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Enabling WLAN Override
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Hey guys, I'm a beginner programmer and I'm having a bit of a tough time with arrays. I could really use some help!
What I'm trying to do is roll one die and then record the rolls.
Here is my sample I/O:
How many times should I roll a die?
-> 8
rolling 8 times
2, 1, 5, 6, 2, 3, 6, 5
number of 1's: 1
number of 2's: 2
and so on....
Here is my incomplete code at this moment:
//CountDieFaces.java
import java.util.Scanner;
import java.io.*;
import library.Gamble;
public class CountDieFaces
//prompt for and read in: number of times user wants to roll one die
//simulate rolling a die that many times, counting how many times each face 1 thru 6 comes up
//print out: each roll
//AND the total number of times each face occured and the percentage of the time each face occured.
Scanner scan = new Scanner(System.in);
int[] faceCount= {0,0,0,0,0,0,0};
int dice;
System.out.println("How many times would you like to roll the die?");
int dieCount = scan.nextInt();
int dieRoll = Gamble.rollDie(); // Main calling class method
int count = 1;
while(count < dieCount)
System.out.println(faceCount[count]);
count++;
}Here is the gamble library:
//Gamble.java
package library;
public class Gamble
// returns 1, 2, 3, 4, 5, or 6
public static int rollDie()
int dieRoll = (int)(Math.random()*6)+1;
return dieRoll;
}and here are the errors I have so far:
----jGRASP exec: javac -g CountDieFaces.java
CountDieFaces.java:19: <identifier> expected
System.out.println("How many times would you like to roll the die?");
^
CountDieFaces.java:19: illegal start of type
System.out.println("How many times would you like to roll the die?");
^
CountDieFaces.java:25: illegal start of type
while(count < dieCount)
^
CountDieFaces.java:25: > expected
while(count < dieCount)
^
CountDieFaces.java:25: ')' expected
while(count < dieCount)
^
CountDieFaces.java:26: ';' expected
^
CountDieFaces.java:27: illegal start of type
System.out.println(faceCount[count]);
^
CountDieFaces.java:27: ';' expected
System.out.println(faceCount[count]);
^
CountDieFaces.java:27: invalid method declaration; return type required
System.out.println(faceCount[count]);
^
CountDieFaces.java:27: ']' expected
System.out.println(faceCount[count]);
^
CountDieFaces.java:27: ')' expected
System.out.println(faceCount[count]);
I'm really confused with how a the gamble library gets put into the array, so any help is appreciated! Also if anyone could explain the errors to me, I would really appreciate it.
thanks in advance,
wootens
Edited by: Wootens on Oct 18, 2010 8:55 PMD'oh!
Thanks you guys, fixed that. Although I'm having trouble with storing the die roll in the array. Any suggestions?
java.io.*;
public class CountDieFaces
//prompt for and read in: number of times user wants to roll one die
//simulate rolling a die that many times, counting how many times each face 1 thru 6 comes up
//print out: each roll
//AND the total number of times each face occured and the percentage of the time each face occured.
public static void main(String[] args)
Scanner scan = new Scanner(System.in);
int[] faceCount= {0,0,0,0,0,0};
int dice;
System.out.println("How many times would you like to roll the die?");
int dieCount = scan.nextInt();
int dieRoll = rollDie(); // Main calling class method
int count = 0;
while(count < dieCount)
System.out.println(faceCount[dieRoll]);
count++;
public static int rollDie()
int dieRoll = (int)(Math.random()*6)+1;
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Hi all, I seek for your kind expertise advise on my Keynote. Once I've chosen a slide to open, any type of slide at all, my Reflection button or function is unable to be clicked on to perform that function. However, Shadow function facing no problem.
I can see the Reflection button but it's blurred like not allowing me to click on it at all. Is this cause by some software problem? Or setting problem? iWork has just being installed.
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I have been trying for close to 1 week now to figure out how to get this flash player to work on both IE & Firefox and it's driving me crazy. I'm running a Windows 7 Home Premium Edition 64-bit not sure what other info you need but I'm here if you need more. I just want to get this fixed so hubby can play his games and I can play mine.
Thanks so muchGames require not only the latest Flash Player, but the least Shockwave as well. I recommend a complete “clean install” for both.
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Flash Player Uninstaller
Flash Player for ActiveX (Internet Explorer)
Flash Player Plug-in (All other browsers)
Shockwave Player 12 FULL Installer (Other browsers)
Save the files - DO NOT RUN ANYTHING YET.
Reboot your system.
BEFORE opening anything, run the UNINSTALLERS to remove Shockwave and Flash Player,
Once they’ve finished, go to: C/Windows/System32 and delete the Macromed folder.
Go to: C/Windows/SysWOW64 and delete the Macromed folder.
Open your Registry Editor (Start>Run or press the Windows key + R and tope “regedit” [minus the quotes] and click OK)
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Go to: HKEY_CURRENT_USER/Software and delete the Macromedia folder there.
Close the Registry Editor and empty your Recycle Bin.
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Entire DIV (text and images) not displaying in IE7 & IE6, says Browserlab. All other browsers OK.
Please help. I am baffled. I have created this small web site here and Browserlab shows that when using IE7 & IE6, there is an entire DIV that is not displaying at all. All other browsers seems to be OK. I have removed all 'position' attributes, with
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Need help with interface development
Hi i need help with requirement below with developing interface between or online order system and sap plz lemme know what is bapi i use for creating customer, update and assigining partner id to costumer. SAP Development 1. Using standards SAP f
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HELP: JBO-29000: java.lang.IllegalArgumentException
em.createQuery("update Planroleinfo o set o.planroleinfo=:planrole where o.planroleinfoid=:planroleid").setParameter("planroleid",planroleid).setParameter("planrole", planrole).executeUpdate(); Error: 1.JBO-29000: java.lang.IllegalArgumentException: