1. 使用循环遍历数组并交换元素位置:
public static void reverseArray(String[] arr) {
int start = 0;
int end = arr.length - 1;
while (start < end) {
String temp = arr[start];
arr[start] = arr[end];
arr[end] = temp;
start++;
end--;
}
}
2. 使用栈对象的先进后出特性进行反转:
public class StringReverse {
public static String reverse1(String s) {
int length = s.length();
char[] array = s.toCharArray();
for (int i = 0; i < length / 2; i++) {
char temp = array[i];
array[i] = array[length - i - 1];
array[length - i - 1] = temp;
}
return new String(array);
}
}
3. 使用StringBuilder或StringBuffer的`reverse()`方法:
public class StringReverseExample {
public static void main(String[] args) {
String str = "Hello, World!";
StringBuilder sb = new StringBuilder(str);
sb.reverse();
String reversedStr = sb.toString();
System.out.println(reversedStr);
}
}
4. 使用字符数组进行反转:
public class StringReverseExample {
public static void main(String[] args) {
String str = "Hello, World!";
char[] charArray = str.toCharArray();
int left = 0;
int right = charArray.length - 1;
while (left < right) {
char temp = charArray[left];
charArray[left] = charArray[right];
charArray[right] = temp;
left++;
right--;
}
String reversedStr = new String(charArray);
System.out.println(reversedStr);
}
}