Java 字符串回文判断：拆分、轴对称、翻转操作

import java.util.Scanner;

public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int T = scanner.nextInt(); scanner.nextLine(); // consume the newline character

    for (int i = 0; i < T; i++) {
        String str = scanner.nextLine();
        boolean isPalindrome = isPalindromePossible(str);
        if (isPalindrome) {
            System.out.println("YES");
        } else {
            System.out.println("NO");
        }
    }
}

public static boolean isPalindromePossible(String str) {
    StringBuilder sb = new StringBuilder(str);

    // Split operation
    for (int i = 0; i < sb.length(); i++) {
        char c = sb.charAt(i);
        if (c == 'w') {
            sb.replace(i, i + 1, "vv");
            i += 1;
        } else if (c == 'm') {
            sb.replace(i, i + 1, "nn");
            i += 1;
        }
    }

    // Axis symmetric operation
    for (int i = 0; i < sb.length(); i++) {
        char c = sb.charAt(i);
        if (c == 'b') {
            sb.replace(i, i + 1, "d");
        } else if (c == 'd') {
            sb.replace(i, i + 1, "b");
        } else if (c == 'p') {
            sb.replace(i, i + 1, "q");
        } else if (c == 'q') {
            sb.replace(i, i + 1, "p");
        }
    }

    // Reverse operation
    sb.reverse();

    return sb.toString().equals(str);
}

}