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PalindromeCheck.java
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33 lines (32 loc) · 1.05 KB
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package projects;
public class PalindromeCheck {
public static void main(String[] args) {
PalindromeCheck("racecar");
PalindromeCheck("poop");
}
private static void PalindromeCheck(String inputString) {
if (inputString.length() % 2 == 0) {
// even
int num = inputString.length()-1;
String firstHalf = inputString.substring(0, inputString.length() / 2);
String secondHalf = "";
while(num >= inputString.length() / 2){
secondHalf += inputString.charAt(num);
num--;
}
System.out.println("Is " + inputString + " a palindrome? " + firstHalf.equals(secondHalf));
//System.out.println(firstHalf + " = " + secondHalf);
} else {
// odd
int num = inputString.length()-1;
String firstHalf = inputString.substring(0, inputString.length() / 2);
String secondHalf = "";
while(num >= inputString.length() / 2 +1){
secondHalf += inputString.charAt(num);
num--;
}
System.out.println("Is " + inputString + " a palindrome? " + firstHalf.equals(secondHalf));
//System.out.println(firstHalf + " = " + secondHalf);
}
}
}