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  1. package bublesort;
  2.  
  3. import java.util.Scanner;
  4.  
  5. /**
  6.  *
  7.  * @author NguyenNgocDai
  8.  */
  9. public class BubleSort {
  10.  
  11.   public static void main(String[] args) {
  12.  
  13.         Scanner st= new Scanner(System.in);
  14.         int s=0;
  15.         System.out.println("Nhap so phan tu cua mang:");
  16.         s= st.nextInt();
  17.       //  new Scanner(System.in).nextLine();
  18.         int[] nums=new int[s];
  19.         for(int i=0; i<s; i++){
  20.             System.out.println("Nhap phan tu thu "+ (i+1)+" :");
  21.             try{
  22.                 nums[i]=st.nextInt();
  23.          //       new Scanner(System.in).nextLine();
  24.             }catch(NumberFormatException e){
  25.                 System.out.println("Error.");
  26.         }
  27.         }
  28.         for(int i=0; i<s-1; ++i){
  29.             for(int j=i+1; j<s; ++j){
  30.                 if(nums[i]>nums[j]){
  31.                     int t;
  32.                     t=nums[i]; nums[i]=nums[j]; nums[j]=t;
  33.                 }
  34.             }
  35.         }
  36.         System.out.println("Sorted Array is:");
  37.         for(int i=0; i<s; ++i){
  38.             System.out.print(" " + nums[i]);
  39.         }
  40.         System.out.println("");
  41.   }
  42.  
  43. }
  44.  
Compilation error #stdin compilation error #stdout 0.05s 4386816KB
comments (?)
stdin
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3
4 
3
1
compilation info 
Main.java:9: error: class BubleSort is public, should be declared in a file named BubleSort.java
public class BubleSort {
       ^
1 error
stdout
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Standard output is empty
https://ideone.com/xXLHwk
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
public

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