gistfile1

class Untitled {
  public static void main(String[] args) {
    int [] array = {1,5,2,-1};
    
    // sort
    
    for(int k = 0; k<array.length; k++){
    for(int i = k; i<array.length; i++){
      if(array[i]<array[k]){
        int temp = array[k];
        array[k] = array[i];
        array[i] = temp;
      }
     }
    }
    System.out.println(array[0]);
    System.out.println(array[1]);
    System.out.println(array[2]);
    System.out.println(array[3]);
  }
}