Description saravana 2011-03-06 00:57:18 EST

Build Identifier: eclipse 3.3

public class Playfair
{
	static String keyword="play" ;
	public Playfair()
	{
	keyword= "play";
	}
	public Playfair(String key)
	{
		keyword=key; 
	}
	static String keystring = "";
    public static int Basic()
    {
       // BufferedReader fu = new BufferedReader(new InputStreamReader(System.in));
        System.out.println("Playfair Cipher\n1.Encrytion\n2.Decryption\nUr Option ?");
        //int choice = Integer.parseInt(fu.readLine());

        System.out.print("Enter the initial text : ");
        //String initial = fu.readLine().toLowerCase().replace('j', 'i');
           System.out.println("    Key Matrix : ");
           return 1;
    }
        public static boolean for1(int t,int r)
        {
        	//System.out.print("Enter the keyword : ");
           
            for( char c : (keyword + "abcdefghiklmnopqrstuvwxyz").replace('j', 'i').toCharArray())
            {
       
            	if(keystring.indexOf(c) == -1) 
            		keystring += c;                                                                              
            	
            }
        	int i,j,count=0,count1=0;
        for(i=t; i < 5; i++)
        {
            System.out.print("\t");
            for( j = r; j < 5; j++) {
            	System.out.print(keystring.charAt(i * 5 + j) + " ");
            	count1=1;
            }
            System.out.println();
            count=1;
        }
        if(count==1&& count1==1)
        return true;
        else
        	return false;
        
        }
        public static String  basic2(int ch,String ini,int n)
        {

        String finale = "";
        int next , row1, col1, row2, col2;
        int choice =ch;
        int inc = choice != 2 ? 1 : -1;
        String initial=ini;
        next=n;
        System.out.print("intial length"+initial.length());
        while(next != initial.length())
        {
            char c1 = initial.charAt(next++), c2;
            System.out.println(c1+"\t"+next+"\n");
            if(!Character.isLetter(c1)) { finale += c1; continue; }
            if(next == initial.length() || !Character.isLetter(c2 = initial.charAt(next)) || c1 == c2) c2 = 'x';
            else next++;
            row1 = keystring.indexOf(c1) / 5; col1 = keystring.indexOf(c1) % 5;
            row2 = keystring.indexOf(c2) / 5; col2 = keystring.indexOf(c2) % 5;
            if(row1 == row2) { col1 = (col1 + inc + 5) % 5; col2 = (col2 + inc + 5) % 5; }
            else if(col1 == col2) { row1 = (row1 + inc + 5) % 5; row2 = (row2 + inc + 5) % 5; }
            else { col1 ^= col2; col2 ^= col1; col1 ^= col2; }
            finale += "" + keystring.charAt(row1 * 5 + col1) + keystring.charAt(row2 * 5 + col2);
            System.out.print(finale);
            //return finale;
        }
        System.out.print("Final text : " + finale.replace('x', '\0'));
        return finale;
    }
}

When running mutants for the above program:

Generated Error in Muclipse:

OJException: OpenJavaException. Cannot Generate parse tree


Mutants has been created..........




Reproducible: Always