Posted by : Unknown miércoles, 23 de enero de 2019

Java NetBeans - Permitir Solo Numeros o Caracteres en jtextfield
Tutorial


Comando Utilizado
Solo Numeros:
char c = evt.getKeyChar();
        if (c<'0'|| c>'9') evt.consume();

Solo letras:
 char car = evt.getKeyChar();
 if(Character.isLetter(car)){
}else{
              evt.consume();
}

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