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  • 第七周上机作业

    1.package finish;
    import java.util.Scanner;
    public class csy {
        public static void main(String[] args) {
              avg10();
            }
    
            public static void avg10() {
                int[] array = {89, 89, 92, 94, 78, 91, 88, 92, 90, 90};
                int index = 0, sum = 0, temp = 0, avg = 0 ; 
                for (int i = 0; i < array.length - 1; i++) {
                    for (int j = i + 1; j < array.length; j++) {
                        if (array[j] < array[i]) {  
                            temp = array[i];
                            array[i] = array[j];
                            array[j] = temp;
                        }
                    }
                }
                while (array.length != index) {
                    sum += array[index];
                    index++;
                }
                do {
                    sum = sum - array[0] - array[array.length-1]; 
                } while (false);
                avg = sum / 8;
                System.out.println(avg); 
            }
         

    2.package finish;
    import java.util.Random;
    public class csy {
    
        public static void main(String[] args) {
            // TODO Auto-generated method stub
              int[] a = new int[10];
              Random r=new Random();
              for (int i = 0; i < a.length; i++) {
                  a[i]=r.nextInt(100);
              }
              int t;
              for (int i = 0; i < a.length - 1; i++) {
                  for (int j = 0; j < a.length-1-i; j++) {
                      if (a[j + 1] <a[j]) {
                          t = a[j];
                          a[j] = a[j + 1];
                          a[j + 1] = t;
                      }
                  }
              }
              for (int i : a) {
                  System.out.println(i);
              }
    
          }
      }
    3.package finish;
    import java.util.Random;
    public class csy {
        public static void main(String[] args) {
              Random a=new Random();
                int[]arr=new int[7];
                for(int i=0;i<arr.length;i++){
                    arr[i]=a.nextInt(35)+1;
                }
            for(int i=0;i<arr.length;i++){
                System.out.print(arr[i]+" ");}
            }
        }

    4.package finish;
    public class csy {
        public static void main(String[] args) {
             int[]a=new int[]{5,3,6,4,8,28,10,7,13,14};
                int max=a[0],min=a[0],jige=0,ouge=0;
                for(int i=0;i<a.length;i++){
                    if(a[i]>max){
                        max=a[i];
                    }
                    if(a[i]<min){
                        min=a[i];
                    }
                    if(a[i]%2==0){
                        ouge+=1;
                    }else{
                        jige+=1;
                    }
                }
                System.out.println("最大值为 "+max);
                System.out.println("最小值为 "+min);
                System.out.println("奇数个数为 "+jige);
                System.out.println("偶数个数为 "+ouge);
            }
        }

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  • 原文地址:https://www.cnblogs.com/csy521/p/12712145.html
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