Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.util.NavigableMap;
import java.util.TreeMap;

public class Main {
    public static void main(String args[]) {

        NavigableMap<String, String> nav = new TreeMap<String, String>();
        nav.put("A", "a");
        nav.put("B", "b");
        nav.put("C", "c");
        nav.put("D", "d");
        nav.put("E", "e");
        nav.put("F", "f");
        System.out.println(nav);
        System.out.println(nav.ceilingKey("B"));
    }
}