StringBuffer5

package cn.it;

/*把数组拼接成一个字符串
 *
 */
public class StringBuffer5 {
 public static void main(String[] args) {
  int[] array = { 12, 23, 45, 56, 67 };
  String s =  arraytoString(array);
  System.out.println(s);
  
 }

 public static String arraytoString(int[] array) {
  StringBuffer sb = new StringBuffer();
  sb.append("[");
  for (int x = 0; x < array.length; x++) {
   if (x == array.length - 1) {
    sb.append(array[x]);
   } else {
    sb.append(array[x]).append(",");
   }
  }
  sb.append("]");

  return sb.toString();
 }
}

---

/*
 //方法2
public class StringBuffer5 {
 public static void main(String[] args) {
  StringBuffer sb = new StringBuffer();
  int[] array = { 12, 23, 45, 56, 67 };
  //String s = arraytoString(array);
  for (int x = 0; x < array.length; x++){
   if (x == array.length - 1) {
    sb.append(array[x]);
   } else {
    sb.append(array[x]).append(",");
   }  }
  System.out.println(sb);

 }
*/