Answers for "java array sorting algorithm"

3

Arrays.sort() in java

// how to sort an array in java without using sort() method (ascending order)
public class WithoutSortMethod
{
   public static void main(String[] args)
   {
      int temp;
      int[] arrNumbers = {14, 8, 5, 54, 41, 10, 1, 500};
      System.out.println("Before sort: ");
      for(int num : arrNumbers)
      {
         System.out.println(num);
      }
      for(int a = 0; a < arrNumbers.length; a++)
      {
         for(int b = a + 1; b < arrNumbers.length; b++)
         {
            if(arrNumbers[a] > arrNumbers[b])
            {
               temp = arrNumbers[a];
               arrNumbers[a] = arrNumbers[b];
               arrNumbers[b] = temp;
            }
         }
      }
      System.out.println("---------------");
      System.out.println("After sort: ");
      for(int num : arrNumbers)
      {
         System.out.println(num);
      }
   }
}
Posted by: Guest on November-29-2020
2

sorting java

public class SortingData {
    public static void main(String[] args)
    {
        int[] arr = { 13, 7, 6, 45, 21, 9, 101, 102 };
  		
        Arrays.sort(arr);//sort() function
  
        System.out.printf("Modified arr[] : %s",
                          Arrays.toString(arr));
    }
}
Posted by: Guest on September-02-2021
1

Arrays.sort() in java

// how to sort an array of strings in descending
import java.util.Arrays;
import java.util.Collections;
public class SortStringAlphabeticalOrder 
{
   public static void main(String[] args) 
   {
      String[] strDesc = {"Bear","Fox","Deer","Cheetah","Anteater","Elephant"};
      System.out.println("Before sorting: ");
      for(String string : strDesc)
      {
         System.out.println(string);
      }
      // arrays.sort
      Arrays.sort(strDesc, Collections.reverseOrder());   
      System.out.println("-----------------------------------");
      System.out.println("Sorting string array in descending or reverse order: ");
      for(String string : strDesc)
      {
         System.out.println(string);
      }
   }
}
Posted by: Guest on November-29-2020

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