我也寫一個~真的不要想的太複雜~
import javax.swing.*;
class re {
public static void main( String args[] ){
String s1 = JOptionPane.showInputDialog("請輸入字串")+" " ;
System.out.println(s1);
char s[] = s1.toCharArray() , q;
StringBuffer sb = new StringBuffer();
for (int i=0 ; i<s.length; i++){
q=s[i];
if( ((int)q>=65&&(int)q<=90)||((int)q>=97&&(int)q<=122) ) {
sb.append(String.valueOf(q)); }
else{
System.out.print(sb.reverse());
System.out.print(String.valueOf(q));
sb = new StringBuffer();
}
}
System.exit(0);
}
}