arrays.sort method in java code example

Example 1: sort array java

import java. util. Arrays;
Arrays. sort(array);

Example 2: 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);
      }
   }
}

Example 3: Arrays.sort() in java

// java sort arraylist
import java.util.ArrayList;
import java.util.Collections;
public class JavaSortArraylist 
{
   public static void main(String[] args) 
   {
      ArrayList<String> al = new ArrayList<String>();
      al.add("Bear"); 
      al.add("Fox"); 
      al.add("Deer"); 
      al.add("Cheetah"); 
      al.add("Anteater");
      al.add("Elephant");
      System.out.println("Before sorting ArrayList: " + al);
      Collections.sort(al); 
      System.out.println("After sorting ArrayList in Ascending order: " + al);
   }
}