assignment2.java

自己做的小程序

package mypackage;

public class Assignment2 {
 private static int n;
 private int k = 0;
 private int[] a = new int[n];
 private int[] b = new int[n];
 public void input(int n) {
   System.out.println("Please enter some numbers");

   for (int i = 0; i < n; i++) {
     a[i] = SavitchIn.readLineInt();
   }
 }

 public int[] sort() {
   b=a;
   int temp;
   for (k = 0; k < n; k++) {
     for (int i = k; i < n  ; i++) {

       if (a[i  ] < b[k]);
       {

       temp = b[k ];
    b[k] =b[i] ;
      b[i]=temp;

     }

   }
 }

 return b;
}

public void search() {
 boolean c = true;
 while (c) {
   System.out.println("enter the position you want to know");
   int i = SavitchIn.readLineInt();
   if (i > n) {
     System.out.println(i + "is too large,reenter");
   }
   else {
     System.out.println("the" + i + "th large number is" + b[n - i]);
     System.out.println("the" + i + "th small number is" + b[i - 1]);

     c = false;
   }
 }
}

public static void main(String[] args) {
 System.out.println("How many numbers wil you enter?");
 n = SavitchIn.readLineInt();

 int[] m = new int[n];
 Assignment2 abc = new Assignment2();
 abc.input(n);
 m = abc.sort();
 abc.search();
}
}