Difference between revisions of "Debugging Practice"
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|ProblemName=Debugging Practice | |ProblemName=Debugging Practice | ||
− | |Problem=Find the bugs in the code provided below. Hint: there are | + | |Problem=Find the bugs in the code provided below. Hint: there are three. |
<pre> | <pre> | ||
import javax.swing.JOptionPane; | import javax.swing.JOptionPane; |
Revision as of 12:26, 6 April 2010
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ProblemFind the bugs in the code provided below. Hint: there are three. 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 + 1 ); } else { currWord = input.substring( lastSpace, input.length() ); } for( int j = currWord.length() - 1; j >= 0; j-- ) { reversedWord = reversedWord + currWord.charAt( j ); } result = result + reversedWord; } JOptionPane.showMessageDialog( null, result, "Reversed Words", JOptionPane.INFORMATION_MESSAGE ); } } |
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SolutionThe solution... | ||
CodeSolutionCode goes here. Please DO NOT put your code in <pre> tags! |