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Palindrome String Checking
//'main' method must be in a class 'Rextester'. //openjdk version '11.0.5' import java.util.*; import java.lang.*; class Rextester { public static boolean isPlaindrome(String S) { // code here boolean flag=true; int left=0,right=S.length()-1; while(left<=right){ if(S.charAt(left++)==S.charAt(right--)) flag=true; else{ flag=false; break; } } return flag; } public static void main(String args[]) { String s = "abba"; if(isPlaindrome(s)) System.out.println("YES"); else System.out.println("NO"); } }
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