/**
 * 倒置字符串中各个字符位置
 * 
 * @author Administrator
 * 
 */
public class Test_008 {
	public static void main(String[] args) {
		String str = "abcdefghigk";
		char[] s = str.tocharArray();
		System.out.println("倒置前:" + Arrays.toString(s));
		reverse(s);
		System.out.println("倒置后:" + Arrays.toString(s));
	}

	static void reverse(char[] s) {
		char temp;
		for (int i = 0,j = s.length - 1; i < j; i++,j--) {
			temp = s[i];
			s[i] = s[j];
			s[j] = temp;
		}
	}
}

输出结果:

倒置前:[a,b,c,d,e,f,g,h,i,k]
倒置后:[k,a]