Sorting Collection or Array of Strings

package com.usr.collections;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;

public class SortingStrings {
    public static void main(String[] args) {
        String[] strArr={"sunday","monday","tuesday","wednesday","thursday","friday","saturday"};
        System.out.println("Before sorting:");
        System.out.println("....................");
        displayArray(strArr);
        Arrays.sort(strArr);
        System.out.println("..................");
        System.out.println("After sorting:");
        System.out.println("...................");
        displayArray(strArr);
        System.out.println("......................");

        List<String> strList=new ArrayList<String>();
        strList.add("sunday");
        strList.add("monday");
        strList.add("tueday");
        strList.add("wednesday");
        strList.add("thurday");
        strList.add("friday");
        strList.add("saturday");

        System.out.println("before sorting");
        System.out.println("...................");
        displayList(strList);
        System.out.println("..............");
        Collections.sort(strList);
        System.out.println("After soting");
        System.out.println("...................");
        displayList(strList);
        System.out.println(".........");





    }

    private static void displayArray(String[] array) {
        for(String temp:array){
            System.out.println(temp);
        }

    }
    private static void displayList(List<String> list) {
        for(String temp:list){
            System.out.println(temp);
        }

    }
}
OUTPUT
Before sorting:
....................
sunday
monday
tuesday
wednesday
thursday
friday
saturday
..................
After sorting:
...................
friday
monday
saturday
sunday
thursday
tuesday
wednesday
......................
before sorting
...................
sunday
monday
tueday
wednesday
thurday
friday
saturday
..............
After soting
...................
friday
monday
saturday
sunday
thurday
tueday
wednesday
.........