RosettaCodeData/Task/Palindrome-detection/Java/palindrome-detection-4.java

15 lines
386 B
Java

public static boolean rPali(String testMe){
int strLen = testMe.length();
return rPaliHelp(testMe, strLen-1, strLen/2, 0);
}
public static boolean rPaliHelp(String testMe, int strLen, int testLen, int index){
if(index > testLen){
return true;
}
if(testMe.charAt(index) != testMe.charAt(strLen-index)){
return false;
}
return rPaliHelp(testMe, strLen, testLen, index + 1);
}