import java.util.Scanner;
public class TestCalculate {
/**
* 编写一个JAVA应用程序允许教师输入学生人数和所有学生该门课的成绩,然后输出最高分最低分及平均成绩(成绩输入以逗号分隔)
* @param args
*/
public static void sort(int[] values){
int temp;
for(int i=0 ; i < values.length ; ++i){
for(int j=0; j <values.length - i - 1; ++j){
if(values[j] > values[j + 1]){
temp = values[j];
values[j] = values[j + 1];
values[j+1] = temp;
}
}
}
}
public static int[] chageType(String[] values,int length){
int[] values2 = new int[length];
for(int i=0;i<values.length;i++){
values2[i] = Integer.parseInt(values[i]);
}
return values2;
}
public static void main(String[] args) {
System.out.print("请输入学生人数:");
Scanner scanner = new Scanner(System.in);
int students = Integer.parseInt(scanner.next());
System.out.print("请输入所有学生该门课的成绩:");
String grades[] = scanner.next().split(",");
System.out.println(grades.length);
int[] grades2 = chageType(grades,students);
sort(grades2);
System.out.println("最高分是:"+grades2[grades2.length-1]);
System.out.println("最低分是:"+grades2[0]);
int total = 0;
for(int i=0; i < grades2.length; i++){
total += grades2[i];
}
System.out.println("平均分是:"+total/students);
}
}
/////////////////////////////////////////////////
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Scanner;
public class Test
{
/**
* @一些校验我就没有加了.
* @大概思路应该是这样
* @
[email protected] * @2011-05-23
*/
private static int total = 0;
public static void main(String[] args) {
System.out.println("请输入班级学生人数!");
Scanner sc = new Scanner(System.in);
total = sc.nextInt();
System.out.println("班级学生人数是: " + total);
System.out.println("请依次输入学生成绩:");
String[] cjArray = new String[total];
for(int i=0; i<cjArray.length; i++){
Scanner sc2 = new Scanner(System.in);
System.out.println("请输入下一个学生成绩");
cjArray[i] = sc.next();
}
for(String cj : cjArray){
System.out.println("学生的成绩依次为:" + cj);
}
}
}