Main.java Source code

Introduction

Here is the source code for Main.java

Source

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

public class Main {
    public static void main(String[] args) {
        List<String> l1 = new ArrayList<String>();
        List<String> l2 = new ArrayList<String>();
        l1.add("a");
        l1.add("b");
        l1.add("c");

        l2.add("b");
        l2.add("c");
        l2.add("a");

        if (isSorted(l1)) {
            System.out.println("already sorted");
        } else {
            Collections.sort(l1);
        }
    }

    public static boolean isSorted(List<String> list) {
        String previous = "";
        for (String current : list) {
            if (current.compareTo(previous) < 0)
                return false;
            previous = current;
        }
        return true;
    }
}