方法一:使用StringBuilderimport java.util.Scanner;
public class StrReversal {public static void main(String[] args) {Scanner scanner = new Scanner(System.in);String str = scanner.nextLine();System.out.println(new StringBuilder(str).reverse());}}方法二:使用循环import java.util.Scanner;
public class StrReversal {public static void main(String[] args) {Scanner scanner = new Scanner(System.in);String str = scanner.nextLine();char[] chars = str.toCharArray();String reverse = "";for (int i = chars.length - 1;i>=0;i--){reverse += chars[i];}System.out.println(reverse);}}方法三:考虑到String不可变,使用StringBuilderimport java.util.Scanner;
public class StrReversal {public static void main(String[] args) {Scanner scanner = new Scanner(System.in);String str = scanner.nextLine();char[] chars = str.toCharArray();StringBuilder reverse = new StringBuilder();for (int i = chars.length - 1;i>=0;i--){reverse.append(chars[i]);}System.out.println(reverse);}}以上就是JAVA字符串反转的三种方法的详细内容,更多关于JAVA字符串反转的资料请关注脚本之家其它相关文章!
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