第1个回答 2011-01-07
import java.util.Arrays;
import java.util.Scanner;
public class Test {
public static void getValue()
{
int sumNumber = 0;
int[] arrayInt = new int[20];
Scanner s = new Scanner(System.in);
//循环输入十个数字
for(int i=0;i<20;i++){
System.out.println("输入第"+(i+1)+"个数字: ");
arrayInt[i] = s.nextInt();
sumNumber += arrayInt[i];
}
float avg = sumNumber/20;
//排序
Arrays.sort(arrayInt);
System.out.println("最大值:" + arrayInt[arrayInt.length-1]);
System.out.println("最小值:" + arrayInt[0]);
System.out.println("平均值:" + avg);
System.out.println("所有元素之和:"+sumNumber);
}
public static void main(String[] args) {
getValue();
}
}
第2个回答 2011-01-06
import java.util.*;
public class Test{
public static void main(String[] args) {
int [] nums = new int[20];
int max = 0;
int min = 0;
int total= 0;
double avg = 0;
Scanner input = new Scanner(System.in);
for (int i = 0; i < nums.length; i++) {
System.out.print("请输入第" + (i+1)+"个数:");
nums[i] = input.nextInt();
}
for(int i=0;i<nums.length - 1;i++){
if (nums[i] > nums[i + 1]) {
max = nums[i];
}
if(nums[i] > nums[i + 1]){
min = nums[i+1];
}
total += nums[i];
}
total += nums[nums.length - 1];
avg = ((double)total)/nums.length;
System.out.println("最大值" + max);
System.out.println("最小值" + min);
System.out.println("总和:" + total);
System.out.println("平均值:" + avg);
}
}
第3个回答 2011-01-06
import java.util.Scanner;
public class Test {
public static void main(String[] args) {
System.out.println("请输入20个数:"+):
Scanner in = new Scanner(System.in);
int i = 0;
int input = 0;
int[] a = new int[20];
while (i < 20) {
a[i] = in.nextInt();
}
int max = Max(a);
int min = Min(a);
int sum = Sum(a);
int average = sum/20;
System.out.println("最大值:"+max);
System.out.println("最小值:"+min);
System.out.println("平均值:"+average);
System.out.println("总和:"+sum);
}
private static int Sum(int[] a) {
int sum = 0;
for(int i = 0;i<a.length;i++){
sum+=i;
}
return sum;
}
private static int Min(int[] a) {
int min = a[0];
for(int i = 1;i<a.length;i++){
if(a[i]>min){
min = a[i];
}
}
return min;
}
private static int Max(int[] a) {
int max = a[0];
for(int i = 1;i<a.length;i++){
if(a[i]>max){
max = a[i];
}
}
return max;
}
}本回答被网友采纳
第4个回答 2011-01-07
import java.util.Scanner;
public class Num {
public static void main(String[] args) {
Scanner in=new Scanner(System.in);
int num[]=new int[20];
for(int i=0;i<20;i++){
num[i]=in.nextInt();
}
int max=0,min=0,sum=0;
max=min=sum=num[0];
for(int i=1;i<20;i++){
sum+=num[i];
if(num[i]>max){
max=num[i];
}
if(num[i]<min){
min=num[i];
}
}
System.out.println("max="+max+"\nmin="
+min+"\nsum="+sum+"\naverage="+(float)(1.0*sum/20));
}
}
未测试.
请自行测试。