//没有设置限制条件(a、b的值要求等等),易报错 public class StringTest2 { public static String restring(String Str,int a,int b){ int j = 0,m = 0,n =0; char[] newChar = Str.toCharArray(); char[] reNewChar = new char[b-a+1]; for (int i = b; i >= a ; i--) { reNewChar[j++] = newChar[i]; } char[] firstChar = new char[a]; for (int i = 0; i < a; i++) { firstChar[m++] = newChar[i]; } char[] lastChar = new char[newChar.length-b+1]; for (int i = b + 1; i < newChar.length ; i++) { lastChar[n++] = newChar[i]; } String newStr = new String(firstChar) + new String(reNewChar) + new String(lastChar); return newStr; } public static void main(String[] args) { String a = StringTest2.restring("01234567",3,5); System.out.println(a); } }
欢迎分享,转载请注明来源:内存溢出
评论列表(0条)