while (i < names.length) {
if (names[i].equals(searchName)) {
foundName = true;
}
i++;
}
if (foundName)
JOptionPane.showMessageDialog(null, searchName + " is found!");
else
JOptionPane.showMessageDialog(null, searchName + " is not
found!");
}
On Fri, Nov 27, 2009 at 10:13 AM, Glen Barnett <[email protected]>wrote:
> Hello,
>
> Just move the i++ to after the if statement. The way it is now you cannot
> find "Beah" because zero is incremented to 1 before the search. If a name is
> not found then it searches one past the array length.
>
>
>
>
> import javax.swing.JOptionPane;
>
> public class MyOwnWhile {
>
> /** Creates a new instance of MyOwnWhile */
> public MyOwnWhile() {
> }
>
> /**
> * @param args the command line arguments
> */
>
> public static void main(String[] args)
> {
> // Declare and initialize String array variable called names.
> String names
> []={"Beah","Bianca","Lance","Belle","Nico","Yza","Gem","Ethan"};
>
> // This is the search string we are going to use to search the
> array.
> String searchName = JOptionPane.showInputDialog("Enter either
> \"Yza\" or \"noname\"!");
>
> // Declare and initialize boolean primitive type variable calld
> foundName.
> boolean foundName =false;
>
> int i=0;
> while (i<names.length)
> {
>
> if (names [i ].equals(searchName))
> {
> foundName =true;
> break;
> }
> i++;
>
> }
>
> // Display the result
> if (foundName)
> JOptionPane.showMessageDialog(null, searchName + " is found!");
>
> else
> JOptionPane.showMessageDialog(null, searchName + " is not
> found!");
>
> }
>
> }
>
>
> ------------------------------
> *From:* MorneDV <[email protected]>
> *To:* Java Programming Online Training Course By Sang Shin <
> [email protected]>
> *Sent:* Thu, November 26, 2009 12:41:06 AM
> *Subject:* [java programming] Control Structure
>
> Can someone help please?
>
> I just started the J2SE online training cource.
> I have a problem with the homework part in the control structure
> section.The homework is to modify the MyForLoopProject project and use
> the while loop.
> The code works correctly if you type a valid name listed in the array.
> When you type an name not listed in the array I get an error...instead
> of displaying ("noname" is not found)
> Error:
> Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException:
> 8
> at MyOwnWhile.main(MyOwnWhile.java:26)
> Java Result: 1
> BUILD SUCCESSFUL (total time: 6 seconds)
>
> Code:
> import javax.swing.JOptionPane;
>
> public class MyOwnWhile {
>
> /** Creates a new instance of MyOwnWhile */
> public MyOwnWhile() {
> }
>
> /**
> * @param args the command line arguments
> */
> public static void main(String[] args) {
> // Declare and initialize String array variable called names.
> String names []=
> {"Beah","Bianca","Lance","Belle","Nico","Yza","Gem","Ethan"};
>
> // This is the search string we are going to use to search the
> array.
> String searchName = JOptionPane.showInputDialog("Enter either
> \"Yza\" or \"noname\"!");
>
> // Declare and initialize boolean primitive type variable
> calld foundName.
> boolean foundName =false;
>
> int i=0;
> while (i<names.length){
> i++;
>
> if (names [i ].equals(searchName)){
> foundName =true;
> break;
> }
> }
>
> // Display the result
> if (foundName)
> JOptionPane.showMessageDialog(null, searchName + " is
> found!");
>
> else
> JOptionPane.showMessageDialog(null, searchName + " is not
> found!");
>
> }
>
> }
>
> --
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