import java.util.Scanner;

 public class sum {

     @SuppressWarnings("resource")

     public static void main(String[] args) {

         // TODO Auto-generated method stub

         System.out.println("你想输入几个数字：");

         int nextValue;

         Scanner kblnput = new Scanner(System.in);

         nextValue = kblnput.nextInt();

         int num[] = new int[nextValue];

         int sum = 0;

         System.out.print("输入的数字为：");

         for (int i = 0; i < num.length; i++) {

             num[i] = kblnput.nextInt();

             sum += num[i];   }

         System.out.println("它们的和是：" + sum);

     }

 }

 import java.util.Scanner;

 public class test_scanner {

     /**

      * @param args

      */

     public static void main(String[] args) {

         int nextValue,sum = 0;

         Scanner kbInput = new Scanner(System.in);     //创建Scanner类

         kbInput.useDelimiter("\\s");                  //设置分隔符

         while (kbInput.hasNextInt()) {                //使用hasNextInt()方法判断是否还有整数

             nextValue = kbInput.nextInt();            //读取数据流中的下一个整数

             sum += nextValue;

         }

         kbInput.close();                              //关闭流对象

         System.out.println("Sum:" + sum);

     }

 }