//键盘输入一组数字的方法 import java.util.Arrays; import java.util.Scanner; public class Test { public static void main(String[] args) { System.out.println("请输入几个数字并用逗号隔开:"); Scanner sc = new Scanner(System.in); String str = sc.next().toString(); String[] arr = str.split(","); int[] number = new int[arr.length]; for (int i = 0; i < number.length; i++) { number[i] = Integer.parseInt(arr[i]); } //调用Array类中的toString方法(返回包含数组元素的字符串,写在括号内,元素用逗号隔开) System.out.print(Arrays.toString(number)); } }