lx3_20.java

jbuilder2005

//lx3_20.java
public class lx3_20{
    public static void main(String args[]){
      int arr1[] = {1, 2, 3, 4};
      int arr2[] = {5, 6, 7, 8};
      int sum[] = new int[4];
      System.out.println("arr1数组的长度:" + arr1.length);
      for(int i=0;i<4;i++){
          sum[i] = arr1[i] + arr2[i];
          System.out.print(sum[i] + ",");
      }
    }
}