给大家介绍其中常用和不常用的将字符串翻转过来的方法：
复制代码 代码如下:
import java.util.Stack;
public class StringReverse {
public static String reverse1(String s) {
int length = s.length();
if (length <= 1)
return s;
String left = s.substring(0, length / 2);
String right = s.substring(length / 2, length);
return reverse1(right) + reverse1(left);
}
public static String reverse2(String s) {
int length = s.length();
String reverse = "";
for (int i = 0; i < length; i++)
reverse = s.charAt(i) + reverse;
return reverse;
}
public static String reverse3(String s) {
char[] array = s.toCharArray();
String reverse = "";
for (int i = array.length - 1; i >= 0; i--)
reverse += array[i];
return reverse;
}
public static String reverse4(String s) {
return new StringBuffer(s).reverse().toString();
}
public static String reverse5(String orig) {
char[] s = orig.toCharArray();
int n = s.length - 1;
int halfLength = n / 2;
for (int i = 0; i <= halfLength; i++) {
char temp = s[i];
s[i] = s[n - i];
s[n - i] = temp;
}
return new String(s);
}
public static String reverse6(String s) {
char[] str = s.toCharArray();
int begin = 0;
int end = s.length() - 1;
while (begin < end) {
str[begin] = (char) (str[begin] ^ str[end]);
str[end] = (char) (str[begin] ^ str[end]);
str[begin] = (char) (str[end] ^ str[begin]);
begin++;
end--;
}
return new String(str);
}
public static String reverse7(String s) {
char[] str = s.toCharArray();
Stack<Character> stack = new Stack<Character>();
for (int i = 0; i < str.length; i++)
stack.push(str[i]);
String reversed = "";
for (int i = 0; i < str.length; i++)
reversed += stack.pop();
return reversed;
}
}
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