package com.ctgu.java.exer;
public class TestArray3 {
public static void main(String[] args){
int[] arr = new int[]{12,43,9,0,-65,-99,100,9};
int max = arr[0];
for(int i = 1; i < arr.length;i++ ){
if(max < arr[i]){
max = arr[i];
}
}
System.out.println("数组最大值为:" + max);
int min=arr[0];
for(int i = 1;i< arr.length;i++){
if(min >arr[i]){
min = arr[i];
}
}
System.out.println("数组最小值为:" + min);
int sum = 0;
for(int i = 0; i < arr.length; i++){
sum +=arr[i];
}
System.out.println("总和为:" +sum);
int avg = 0;
avg = sum / arr.length;
System.out.println("平均数为:" +avg );
// 数组元素复制
int [] arr1 = new int[arr.length];
for(int i = 0 ; i < arr1.length;i++){
arr1[i] = arr[i];
}
//数组元素的反转
//for(int i = 0; i< arr.length/2 ; i++){
//int temp =arr[i];
//arr[i] = arr[arr.length-1 - i];
//arr[arr.length-1-i]=temp;
//}
//反转2
for(int x = 0 , y = arr.length - 1; x < y;x++,y--){
int temp = arr[x];
arr[x] = arr[y];
arr[y] = temp ;
}
for(int i = 0; i < arr.length; i++){
System.out.print(arr[i] + "\t");
}
}
}
转载于:https://blog.51cto.com/9815936/1601352