9. Palindrome Number
1 class Solution { 2 public boolean isPalindrome(int x) { 3 if(x < 0) return false; 4 String str = "" + x; 5 StringBuilder sb = new StringBuilder(str); 6 return sb.reverse().toString().equals(str); 7 8 } 9 }
1 class Solution { 2 public boolean isPalindrome(int x) { 3 if(x < 0) return false; 4 String str = "" + x; 5 StringBuilder sb = new StringBuilder(str); 6 return sb.reverse().toString().equals(str); 7 8 } 9 }