public class Test{
  public static void main(String[] args) {
    int[] array={1,2,5,3,10,21,0};
    getSortD_X(array);
    getSortX_D(array);
  }
  public static void getSortD_X(int[] array){
    for (int i = 0; i < array.length; i++) {
      for(int j=0;j<array.length-1;j++){
        if(array[i]>array[j]){
          int temp=array[i];
          array[i]=array[j];
          array[j]=temp;
        }
      }
    }
    System.out.print("从大到小：");
    for (int i = 0; i < array.length; i++) {
      if(i==array.length-1){
        System.out.println(array[i]);
      }else{
        System.out.print(array[i]+",");
      }
    }
  }
  public static void getSortX_D(int[] array){
    for (int i = 0; i <array.length; i++) {
      for(int j=0;j<array.length-i-1;j++){
        if(array[j]>array[j+1]){
          int temp=array[j];
          array[j]=array[j+1];
          array[j+1]=temp;
        }
      }
    }
    System.out.print("从小到大：");
    for (int i = 0; i < array.length; i++) {
      if(i==array.length-1){
        System.out.println(array[i]);
      }else{
        System.out.print(array[i]+",");
      }
    }
  }
}