自主取值求五個數中最大最小平均值
package?newm;
//import?java.util.Scanner;
public?class?casesd?{????
public?static?void?main(String[]args){?????
//Scanner?input?=new?Scanner(System.in);????
int?nums[]=new?int[]?{56,78,58,99,100};????
System.out.println("請輸入五個數：");????
int?max=nums[0];????
int?min=nums[0];????
double?sum=0;????
double?avg=0;????
for(int?i=0;i<nums.length;i++)?????
max=nums[i]>max?nums[i]:max;????
System.out.println("最大值為："+max);????
for(int?i=0;i<nums.length;i++)?????
min=nums[i]<min?nums[i]:min;????
System.out.println("最小值為："+min);????
for(int?i=0;i<nums.length;i++)?{?????
sum=sum+nums[i];????
}
System.out.println("和為："+sum);???
? avg=sum/nums.length;????
? System.out.println("平均值為；"+avg);??
? ? ??
? ???}
? ? ????}
? ? ????//new?int[5]package?newm;//import?java.util.Scanner;public?class?casesd?{????public?static?void?main(String[]args)?{???? //Scanner?input?=new?Scanner(System.in);???? int?nums[]=new?int[]?{56,78,58,99,100};???? System.out.println("請輸入五個數：");???? int?max=nums[0];???? int?min=nums[0];???? double?sum=0;???? double?avg=0;???? for(int?i=0;i<nums.length;i++)????? max=nums[i]>max?nums[i]:max;???? System.out.println("最大值為："+max);???? for(int?i=0;i<nums.length;i++)????? min=nums[i]<min?nums[i]:min;???? System.out.println("最小值為："+min);???? for(int?i=0;i<nums.length;i++)?{????? sum=sum+nums[i];???? }System.out.println("和為："+sum);???? avg=sum/nums.length;???? System.out.println("平均值為；"+avg);??? ????}}//new?int[5]求大神指導，我想知道該怎么輸入一個長度為5的數組，然后自動求出它的最大最小，和還有平均值啊，該怎么寫？
萌新求大神指導
2019-07-18
import java.util.Scanner;
public class Demo05 {
public static void main(String[] args) {
Scanner input=new Scanner(System.in);
int []score=new int[5];
for(int i=0;i<score.length;i++){
System.out.println("請輸入第"+(i+1)+"個數");
score[i]=input.nextInt();
}
int max=score[0];
int min=score[0];
double sum=0;
double avg=0;
for (int i = 0; i < score.length; i++) {
if (max<score[i]) {
max=score[i];
}
if(min>score[i]){
min=score[i];
}
sum=sum+score[i];
}
avg=sum/score.length;
System.out.println("數組中的最大值："+max);
System.out.println("數組中的最小值："+min);
System.out.println("數組中的平均值："+avg);
}
}
2019-05-13
Scanner工具不要注釋了，運用起來，這個類似于C語言中的scanf()函數，把Scanner運用起來就對了