Javakurs/Übungsaufgaben/DDDText/Musterloesung
< Javakurs | Übungsaufgaben | DDDText
Lösung: DDDText.java
public class DDDText {
public static final String[][] letters = {
{" ___ ",
" / \\ ",
" / ^ \\ ",
" / /_\\ \\ ",
" / _____ \\ ",
"/__/ \\__\\ ",
" "},
{".______ ",
"| _ \\ ",
"| |_) | ",
"| _ < ",
"| |_) | ",
"|______/ ",
" "},
{" ______ ",
" / |",
"| ,----'",
"| | ",
"| `----.",
" \\______|",
" "},
{" _______ ",
"| \\ ",
"| .--. |",
"| | | |",
"| '--' |",
"|_______/ ",
" "},
{" _______ ",
"| ____|",
"| |__ ",
"| __| ",
"| |____ ",
"|_______|",
" "},
{" _______ ",
"| ____|",
"| |__ ",
"| __| ",
"| | ",
"|__| ",
" "},
{" _______ ",
" / _____|",
"| | __ ",
"| | |_ | ",
"| |__| | ",
" \\______| ",
" "},
{" __ __ ",
"| | | | ",
"| |__| | ",
"| __ | ",
"| | | | ",
"|__| |__| ",
" "},
{" __ ",
"| | ",
"| | ",
"| | ",
"| | ",
"|__| ",
" "},
{" __ ",
" | | ",
" | | ",
".--. | | ",
"| `--' | ",
" \\______/ ",
" "},
{" __ ___ ",
"| |/ / ",
"| ' / ",
"| < ",
"| . \\ ",
"|__|\\__\\ ",
" "},
{" __ ",
"| | ",
"| | ",
"| | ",
"| `----.",
"|_______|",
" "},
{".___ ___. ",
"| \\/ | ",
"| \\ / | ",
"| |\\/| | ",
"| | | | ",
"|__| |__| ",
" "},
{".__ __. ",
"| \\ | | ",
"| \\| | ",
"| . ` | ",
"| |\\ | ",
"|__| \\__| ",
" "},
{" ______ ",
" / __ \\ ",
"| | | | ",
"| | | | ",
"| `--' | ",
" \\______/ ",
" "},
{".______ ",
"| _ \\ ",
"| |_) | ",
"| ___/ ",
"| | ",
"| _| ",
" "},
{" ______ ",
" / __ \\ ",
"| | | | ",
"| | | | ",
"| `--' '--. ",
" \\_____\\_____\\",
" "},
{".______ ",
"| _ \\ ",
"| |_) | ",
"| / ",
"| |\\ \\----.",
"| _| `._____|",
" "},
{" _______.",
" / |",
" | (----`",
" \\ \\ ",
".----) | ",
"|_______/ ",
" "},
{".___________.",
"| |",
"`---| |----`",
" | | ",
" | | ",
" |__| ",
" "},
{" __ __ ",
"| | | | ",
"| | | | ",
"| | | | ",
"| `--' | ",
" \\______/ ",
" "},
{"____ ____ ",
"\\ \\ / / ",
" \\ \\/ / ",
" \\ / ",
" \\ / ",
" \\__/ ",
" "},
{"____ __ ____ ",
"\\ \\ / \\ / / ",
" \\ \\/ \\/ / ",
" \\ / ",
" \\ /\\ / ",
" \\__/ \\__/ ",
" "},
{"___ ___ ",
"\\ \\ / / ",
" \\ V / ",
" > < ",
" / . \\ ",
"/__/ \\__\\ ",
" "},
{"____ ____ ",
"\\ \\ / / ",
" \\ \\/ / ",
" \\_ _/ ",
" | | ",
" |__| ",
" "},
{" ________ ",
"| / ",
"`---/ / ",
" / / ",
" / /----.",
" /________|"}
};
public static void main(String[] args) {
String input;
if (args.length == 0) {
System.out.println("Warnung: Keine Parameter übergeben!");
input = "Hello World";
} else {
input = args[0];
}
String inputLowerCase = input.toLowerCase();
//Variante 1: Ein Buchstabe pro Zeile
for (int i = 0; i < inputLowerCase.length(); i++) {
int index = inputLowerCase.charAt(i) - 'a';
if (index >= 0 && index <= 25) {
for (int line = 0; line < letters[index].length; line++) {
System.out.println(letters[index][line]);
}
}
}
//Variante 2: Alle Buchstaben in einer Zeile
for (int line = 0; line < letters[0].length; line++) {
for (int i = 0; i < inputLowerCase.length(); i++) {
int index = inputLowerCase.charAt(i) - 'a';
if (index >= 0 && index <= 25) {
System.out.print(letters[index][line] + " ");
}
if (inputLowerCase.charAt(i) == ' ') {
System.out.print(" ");
}
}
System.out.println();
}
}
}
Alternativer Lösungsvorschlag ohne Verwendung der Vorgabe
/**
* This little java programm prints a given text in ascii-Art.
* Start the programm with:
* # java DDDText <Place you text here>
*
* e.g.
* # java DDDText Java
*
* @author tkroenert
*
*
* Warning: This programm is written on a little higher
* programming level as you are on the first day learing
* java. So you programm can be much simpler.
*
*/
public class DDDText {
public static void main(String[] arguments /*[0] is the message we want to print out */) {
/*
* This is for the case you do not give the programm a parameter
*/
if (arguments.length == 0) {
System.out.println("Start the programm with:");
System.out.println("\t# java DDDText <Place you text here>\n");
System.out.println("e.g.");
System.out.println("\t# java DDDText Java");
System.out.println("");
}
/*
* Here begins the formatted output of the 3D-Text.
*
* Test on your own how it works. Trial & error is
* the best way.
*/
//Userfriendly case-ignoring trick
arguments[0] = arguments[0].toLowerCase();
//take a character...
for (int i = 0; i < arguments[0].length(); i++) {
char nextChar = arguments[0].charAt(i);
//...and have a look at it
switch(nextChar)
{
case 'a':
System.out.println(" ___ ");
System.out.println(" / /\\ ");
System.out.println(" / /::\\ ");
System.out.println(" / /:/\\:\\ ");
System.out.println(" / /:/~/::\\ ");
System.out.println(" /__/:/ /:/\\:\\ ");
System.out.println(" \\ \\:\\/:/__\\/");
System.out.println(" \\ \\::/ ");
System.out.println(" \\ \\:\\ ");
System.out.println(" \\ \\:\\ ");
System.out.println(" \\__\\/ "); break;
/*
* case 'b': ...
* case 'c': ...
* case 'd': ...
* etc.
*/
case 'j':
System.out.println(" ___ ");
System.out.println(" / /\\ ");
System.out.println(" / /:/ ");
System.out.println(" /__/::\\ ");
System.out.println(" \\__\\/\\:\\ ");
System.out.println(" \\ \\:\\ ");
System.out.println(" \\__\\:\\ ");
System.out.println(" / /:/ ");
System.out.println(" /__/:/ ");
System.out.println(" \\__\\/ "); break;
case 'v':
System.out.println(" ___ ");
System.out.println(" /__/\\ ");
System.out.println(" \\ \\:\\ ");
System.out.println(" \\ \\:\\ ");
System.out.println(" _ _ \\__\\:\\ ");
System.out.println(" /__/\\ | |:| ");
System.out.println(" \\ \\:\\| |:|");
System.out.println(" \\ \\:\\__|:| ");
System.out.println(" \\__\\::::/ ");
System.out.println(" ~~~~ "); break;
default:
System.out.println(nextChar); break; //this would never happen
}
//some ascii-cosmetics
System.out.println("");
}
}
}
