Multidimensional Array (Introduction to JAVA Basic Example 2-33)
public class Example33 {
public static void main (String[] ags)
{
int [][]arr=new int [3][];
arr[0]=new int []{
11,12};
arr[1]=new int []{
21,22,23};
arr[2]=new int []{
31,32,33,34};
int sum=0;
for(int i=0;i<arr.length;i++){
int groupSum=0;
for(int j=0;j<arr[i].length;j++){
groupSum=groupSum+arr[i][j];
}
sum+=groupSum;
System.out.println("第"+(i+1)+"小组销售额为："+groupSum+"万元");
}
System.out.println("总销售额为："+sum+"万元");
}
}
operation result:
