Source code for submission s820

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import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.logging.Level;
import java.util.logging.Logger;
 
public class fs {
 
    public static String decodeMorse(String morse) {        
        if(morse.equals(".-"))
            return new String ("A");
 
        if(morse.equals("-..."))
            return new String ("B");
 
        if(morse.equals("-.-."))
            return new String ("C");
 
        if(morse.equals("-.."))
            return new String("D");
 
        if(morse.equals("."))
            return new String("E");
 
        if(morse.equals("..-."))
            return new String("F");
 
        if(morse.equals("--."))
            return new String("G");
 
        if(morse.equals("...."))
            return new String("H");
 
        if(morse.equals(".--."))
            return new String("P");
 
        if(morse.equals(".."))
            return new String("I");
 
        if(morse.equals(".---"))
            return new String("J");
 
        if(morse.equals("-.-"))
            return new String("K");
 
        if(morse.equals(".-.."))
            return new String("L");
 
        if(morse.equals("--"))
            return new String("M");
 
        if(morse.equals("-."))
            return new String("N");
 
        if(morse.equals("---"))
            return new String("O");
 
        if(morse.equals("--.-"))
            return new String("Q");
 
        if(morse.equals(".-."))
            return new String("R");
 
        if(morse.equals("..."))
            return new String("S");
 
        if(morse.equals("-"))
            return new String("T");
 
        if(morse.equals("..-"))
            return new String("U");
 
        if(morse.equals("...-"))
            return new String("V");
 
        if(morse.equals(".--"))
            return new String("W");
 
        if(morse.equals("-..-"))
            return new String("X");
 
        if(morse.equals("-.--"))
            return new String("Y");
 
        if(morse.equals("--.."))
            return new String("Z");
 
        if(morse.equals("..--"))
            return new String("_");
 
        if(morse.equals(".-.-"))
            return new String(",");
 
        if(morse.equals("---."))
            return new String(".");
 
        if(morse.equals("----"))
            return new String("?");
 
        return new String();
    }
 
    public static String decode(String morse, String lengths) {
        StringBuilder ret = new StringBuilder();
        int currLen = 0;
 
        for(int i = 0; i < lengths.length(); i++) {
            currLen = Integer.parseInt("" + lengths.charAt(i));
 
            ret.append(fs.decodeMorse(morse.substring(0, currLen)));
            morse = morse.substring(currLen, morse.length());
        }
 
        return ret.toString();
    }
 
    public static String encode(char c) {
        switch(c) {
            case 'A':
                return new String(".-");
            case 'B':
                return new String("-...");
            case 'C':
                return new String("-.-.");
            case 'D':
                return new String("-..");
            case 'E':
                return new String(".");
            case 'F':
                return new String("..-.");
            case 'G':
                return new String("--.");
            case 'H':
                return new String("....");
            case 'I':
                return new String("..");
            case 'J':
                return new String(".---");
            case 'K':
                return new String("-.-");
            case 'L':
                return new String(".-..");
            case 'M':
                return new String("--");
            case 'N':
                return new String("-.");
            case 'O':
                return new String("---");
            case 'P':
                return new String(".--.");
            case 'Q':
                return new String("--.-");
            case 'R':
                return new String(".-.");
            case 'S':
                return new String("...");
            case 'T':
                return new String("-");
            case 'U':
                return new String("..-");
            case 'V':
                return new String("...-");
            case 'W':
                return new String(".--");
            case 'X':
                return new String("-..-");
            case 'Y':
                return new String("-.--");
            case 'Z':
                return new String("--..");
            case '_':
                return new String("..--");
            case ',':
                return new String(".-.-");
            case '.':
                return new String("---.");
            case '?':
                return new String("----");
 
        }
 
        return new String();
    }
 
    public static void main(String[] args) {
        InputStreamReader is = new InputStreamReader(System.in);
        BufferedReader br = new BufferedReader(is);
        String line;
        StringBuilder morse = new StringBuilder();
        StringBuilder lengths = new StringBuilder();
 
        while(true) {
            try {
                line = br.readLine();
 
                if (line == null) {
                    break;
                }
 
                for (int i = 0; i < line.length(); i++) {
                    char c = line.charAt(i);
 
                    String encoded = fs.encode(c);
                    morse.append(encoded);
                    lengths.append(encoded.length());
                }
 
                lengths = lengths.reverse();
 
                System.out.println(fs.decode(morse.toString(), lengths.toString()));
 
            } catch (IOException ex) {
                Logger.getLogger(fs.class.getName()).log(Level.SEVERE, null, ex);
            }
        }
    }
 
}
 

Diff to submission s809

--- c5.s809.cteam005.fs.java.0.fs.java
+++ c5.s820.cteam005.fs.java.0.fs.java
@@ -8,98 +8,96 @@
 public class fs {
     
-    public static String decodeMorse(String morse) {
-        String ret = new String();
-        
+    public static String decodeMorse(String morse) {        
         if(morse.equals(".-"))
-            ret = "A";
-        
+            return new String ("A");
+
         if(morse.equals("-..."))
-            ret = "B";
+            return new String ("B");
         
         if(morse.equals("-.-."))
-            ret = "C";
+            return new String ("C");
         
         if(morse.equals("-.."))
-            ret = "D";
+            return new String("D");
         
         if(morse.equals("."))
-            ret = "E";
+            return new String("E");
         
         if(morse.equals("..-."))
-            ret = "F";
+            return new String("F");
         
         if(morse.equals("--."))
-            ret = "G";
+            return new String("G");
         
         if(morse.equals("...."))
-            ret = "H";
+            return new String("H");
         
         if(morse.equals(".--."))
-            ret = "P";
+            return new String("P");
         
         if(morse.equals(".."))
-            ret = "I";
+            return new String("I");
         
         if(morse.equals(".---"))
-            ret = "J";
+            return new String("J");
         
         if(morse.equals("-.-"))
-            ret = "K";
+            return new String("K");
         
         if(morse.equals(".-.."))
-            ret = "L";
+            return new String("L");
         
         if(morse.equals("--"))
-            ret = "M";
+            return new String("M");
         
         if(morse.equals("-."))
-            ret = "N";
+            return new String("N");
         
         if(morse.equals("---"))
-            ret = "O";
+            return new String("O");
         
         if(morse.equals("--.-"))
-            ret = "Q";
+            return new String("Q");
         
         if(morse.equals(".-."))
-            ret = "R";
+            return new String("R");
         
         if(morse.equals("..."))
-            ret = "S";
+            return new String("S");
         
         if(morse.equals("-"))
-            ret = "T";
+            return new String("T");
         
         if(morse.equals("..-"))
-            ret = "U";
+            return new String("U");
         
         if(morse.equals("...-"))
-            ret = "V";
+            return new String("V");
         
         if(morse.equals(".--"))
-            ret = "W";
+            return new String("W");
         
         if(morse.equals("-..-"))
-            ret = "X";
+            return new String("X");
         
         if(morse.equals("-.--"))
-            ret = "Y";
+            return new String("Y");
         
         if(morse.equals("--.."))
-            ret = "Z";
+            return new String("Z");
         
         if(morse.equals("..--"))
-            ret = "_";
+            return new String("_");
         
         if(morse.equals(".-.-"))
-            ret = ",";
+            return new String(",");
         
         if(morse.equals("---."))
-            ret = ".";
+            return new String(".");
         
         if(morse.equals("----"))
-            ret = "?";
+            return new String("?");
         
-        return ret;
+        return new String();
     }