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  1. #1
    loosemember is offline Member
    Join Date
    Nov 2010
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    Default What is wrong with my code?

    Java Code:
    public class ReadBds {
    	public static void main( String [] args ) {
    		char [][] bd = new char [8][8];
    		if (args.length==0)
    			args = "board01.txt board02.txt board03.txt".split(" ");
    		for (String fn : args)
    				BufferedReader bf = new BufferedReader(
    						new FileReader(fn));
    				// Read board from file
    				for (int i=0;i<8;i++)
    					String s = bf.readLine();
    					for (int j=0;j<8;j++)
    						bd[i][j] = s.charAt(j);
    				for (int i=0;i<8;i++)
    					for (int j=0;j<8;j++)
    						if (bd[i][j]=='X_X_X_X_' || bd[i][j]=='_X_X_X_X')
    				System.out.printf("Is an empty line %s: %d\n",
    			catch (IOException e) {
    				System.out.printf("Problem with file: %s",fn);
    I get this error

    Java Code:
    Exception in thread "main" java.lang.Error: Unresolved compilation problem: 
    	Invalid character constant
    	at ReadBds.main(
    on the line

    Java Code:
    if (bd[i][j]=='X_X_X_X_' || bd[i][j]=='_X_X_X_X')

  2. #2
    Fubarable's Avatar
    Fubarable is offline Moderator
    Join Date
    Jun 2008
    Blog Entries
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    In Java Strings require double quotes " not single quotes '.

    Also you're not going to want to use == to compare Strings but rather the equals method. Do you know why this is so?

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