A : .- J : .--- S : ... 2 : .----
B : -... K : -.- T : - 3 : ...--
C : -.-. L : .-.. U : ..- 4 : ....-
D : -.. M : -- V : ...- 5 : .....
E : . N : -. W : .-- 6 : -....
F : ..-. O : --- X : -..- 7 : --...
G : --. P : .--. Y : -.-- 8 : ---..
H : .... Q : --.- Z : --.. 9 : ----.
I : .. R : .-. 1 : .---- 0 : -----
atau untuk lebih jelas dapat melihat gambar berikut :
Kita akan berlatih membuat program kriptographi sederhana ini :
bagi yang ingin mencoba hasilnya bisa ke situs :
website :
Code:
http://morsecode.scphillips.com/jtranslator.html
Code:
/* * WhiteMrse.java * by CyberMuttaqin * Created On 5, January 2010 */ import java.util.*; public class WhiteMorse{ private String asciiText= ""; private String morseText = ""; //True konfersi dai ascii ke morse // konfersi dai morse ke ascii private boolean fDirect = true; private static int NR_CHARS = 36; private static char[] ch = { ' ','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z', '1','2','3','4','5','6','7','8','9','0'}; private static String[] mc = { null, ".-", //A "-...", //B "-.-", //C "-..", //D ".", //E "..-", //F "--.", //G "....", //H "..", //I ".---", //J "-.-", //K ".-..", //L "--", //M "-.", //N "---", //O ".--.", //P "--.-", //Q ".-.", //R "...", //S "-", //T "..-", //U "...-", //V ".--", //W "-..-", //X "-.--", //Y "--..", //Z ".----", //1 "..---", //2 "...--", //3 "....-", //4 ".....", //5 "-....", //6 "--...", //7 "---..", //8 "----.", //9 "-----", //0 }; //buat instance public WhiteMorse(String s, boolean fDirect){ if (fDirect) { this.asciiText = s; convertToMorse(); } else { this.morseText = s; convertToAscii(); } } public String getMorse(){ return morseText; } public String getAscii(){ return asciiText; } public String toString(){ String str = "Text ASCII = " +getAscii()+"\n"+ "Text Morse = " +getMorse()+"\n"; return str; } static void test(){ System.out.println(new WhiteMorse("CYBERMUTTAQIN",true)); System.out.println(new WhiteMorse((new WhiteMorse("CYBERMUTTAQIN",true)).getMorse(),false)); } public static void main(String[] args){ test(); } private int searchMorse(String s){ int i = NR_CHARS-1; mc[0] = s; while (!mc[i].equals(s)) i--; return i; } private int searchChar(char ch){ int i = NR_CHARS-1; while (this.ch[i]!=ch)i--; return i; } private void convertToMorse(){ morseText=""; for(int i=0;i<asciiText.length(); i++){ int idx = searchChar(asciiText.charAt(i)); if (idx ==0){ morseText += "\t"; } else { morseText += mc[idx]; morseText += ""; } } } private void convertToAscii(){ asciiText = ""; StringTokenizer TokensA = new StringTokenizer(morseText); while (TokensA.hasMoreTokens()){ String morseWord = TokensA.nextToken("\t"); StringTokenizer TokensB = new StringTokenizer(morseWord); while (TokensB.hasMoreTokens()) { int idx = searchMorse(TokensB.nextToken()); if (idx ==0) { asciiText += ""; } else { asciiText += ch[idx]; } } asciiText += ""; } } }
selamat mencoba dan berkreasi semoga bermanfaat...
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