int[] array (sort lowest to highest)

Question

So I am not sure why this is becoming so hard for me, but I need to sort high to low and low to high.

For high to low I have:

int a, b;
int temp;
int         


        

Answer 1

If you want to apply same logic as what you have done...by not using Arrays.sort...then following will help

int[] intArr = {5, 4, 3, 8, 9, 11, 3, 2, 9, 8, 7, 1, 22, 15, 67, 4, 17, 54};
    //Low to high
    for(int j=0; j<intArr.length-1; j++){
        for(int i=0; i<intArr.length-1; i++){
            if (intArr[i] > intArr[i+1]){
                int temp = intArr[i+1];
                intArr[i+1] = intArr[i];
                intArr[i] = temp;
            }
        }
    }
    //High to low
    for(int j=0; j<intArr.length-1; j++){
        for(int i=0; i<intArr.length-1; i++){
            if (intArr[i] < intArr[i+1]){
                int temp = intArr[i+1];
                intArr[i+1] = intArr[i];
                intArr[i] = temp;
            }
        }
    }
    for(int ars : intArr){
        System.out.print(ars+",");
    }

Answer 2

You need a more efficient sort. like mergesort. try www.geekviewpoint.com and go to sort

Answer 3

  public class sorting {
  public static void main(String arg[])throws Exception{
  int j[]={1,28,3,4,2};   //declaring array with disordered values  

  for(int s=0;s<=j.length-1;s++){
  for(int k=0;k<=j.length-2;k++){
         if(j[k]>j[k+1]){   //comparing array values

    int temp=0;    
    temp=j[k];     //storing value of array in temp variable 

j[k]=j[k+1];    //swaping values
j[k+1]=temp;    //now storing temp value in array


}    //end if block             
}  // end inner loop    
}
//end outer loop

for(int s=0;s<=j.length-1;s++){
System.out.println(j[s]);       //retrieving values of array in ascending order 

}   

}
}

Answer 4

The only thing you need to do to change the sort order is change

if (array[b] < array[b + 1])

to

if (array[b] > array[b + 1])

Although, as others have noted, it's very inefficient! :-)

Answer 5

In java8 you can do something like this:

temp.stream()
    .sorted((e1, e2) -> Integer.compare(e2, e1))
    .forEach(e -> System.out.println(e));