Debugging Practice
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ProblemFind the bugs in the code provided below. Hint: there are lots
import javax.swing.JOptionPane;
public class WordReversal
{
public static void main( String[] args )
{
int lastSpace = 0;
int nextSpace = 0;
String result = "";
String reversedWord = "";
String currWord = "";
String input = JOptionPane.showInputDialog( "Enter a sentence:" );
while( nextSpace >= 0 )
{
nextSpace = input.indexOf(' ', lastSpace );
if ( nextSpace != -1 )
{
currWord = input.substring(lastSpace, nextSpace);
for (int j = 0; j < currWord.length(); j++)
{
reversedWord = reversedWord + currWord.charAt(j);
}
}
result = result + reversedWord;
}
JOptionPane.showMessageDialog( null, result, "Reversed Words", JOptionPane.INFORMATION_MESSAGE );
}
}
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