import java.util.HashSet; import java.util.Scanner; import java.util.Set; public class PalindromeCount { public static void main(String[] args) { Scanner sc = new Scanner(System.in); System.out.println("Enter a sentence"); String str = sc.nextLine(); String words[] = str.replaceAll("," , " ").split(""); Set set = new HashSet(); for(String wordL : words) { StringBuffer sb = new StringBuffer(wordL); if(sb.reverse().equals(wordL)) { set.add(wordL); } } System.out.println(set); } }
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