how to sort by alphabetical order in java code example
Example 1: Java program to sort names in an alphabetical order
import java.util.Scanner;
public class SortNamesAlphabeticalOrder
{
public static void main(String[] args)
{
int number;
String str;
Scanner sc1 = new Scanner(System.in);
System.out.println("Please enter number of strings: ");
number = sc1.nextInt();
String[] names = new String[number];
Scanner sc2 = new Scanner(System.in);
System.out.println("Enter all strings: ");
for(int a = 0; a < number; a++)
{
names[a] = sc2.nextLine();
}
for(int a = 0; a < number; a++)
{
for(int b = a + 1; b < number; b++)
{
if(names[a].compareTo(names[b]) > 0)
{
str = names[a];
names[a] = names[b];
names[b] = str;
}
}
}
System.out.println("After sorting names in an alphabetical order: ");
for(int a = 0; a < number - 1; a++)
{
System.out.println(names[a] + ", ");
}
System.out.print(names[number - 1]);
sc1.close();
sc2.close();
}
}
Example 2: java sort list alphabetically
Assuming that those are Strings, use the convenient static method sort…
java.util.Collections.sort(listOfCountryNames)