2021-03-22

package fengda;                                                                      2.10

public class fengda01 {

public static void main(String args[]) {

int num1[]= {1,2,3,4,5,6};

int num2[];

int j;

float ave=0f;

System.out.println("数组num1各元素的值为:");

for(j=0;j<num1.length;j++)

System.out.print(num1[j]+"\t");

System.out.println( );

System.out.println("数组num1的长度为:"+ num1.length);

num2=num1;

System.out.println("数组num2各元素的值为:");

for(j=0;j<num2.length;j++) {

System.out.print(num2[j]+"\t");

ave=ave+num2[j];

}

System.out.println();

ave=ave/num2.length;

System.out.println("数组num2的平均值为:"+ave);

}

}