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exercise in Java to delete all vowels in a typed string
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package uebung07; | |
import javax.swing.JOptionPane; | |
public class Vokalloescher { | |
static String eingabe = JOptionPane.showInputDialog("Geben Sie einen Text ein:"); | |
static String klein = eingabe.toLowerCase(); | |
public static boolean istEinVokal(char ch){ | |
switch(ch){ | |
case 'a': | |
case 'e': | |
case 'i': | |
case 'o': | |
case 'u': return true; | |
} return false; | |
} | |
public static String loescheVokale() { | |
StringBuilder oVokale = new StringBuilder(klein); | |
for (int i = 0; i <= oVokale.length(); i++) { | |
if (istEinVokal(oVokale.charAt(i))) { | |
oVokale.deleteCharAt(i); | |
} | |
} | |
return oVokale.toString(); | |
} | |
public static void main(String[] args) { | |
System.out.println(klein); | |
System.out.println(loescheVokale()); | |
JOptionPane.showMessageDialog(null, klein); | |
} | |
} |
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alle katzen sind grau | |
Exception in thread "main" java.lang.StringIndexOutOfBoundsException: String index out of range: 15 | |
at java.lang.AbstractStringBuilder.charAt(AbstractStringBuilder.java:237) | |
at java.lang.StringBuilder.charAt(StringBuilder.java:76) | |
at uebung07.Vokalloescher.loescheVokale(Vokalloescher.java:22) | |
at uebung07.Vokalloescher.main(Vokalloescher.java:31) | |
Process finished with exit code 1 |
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