Main.java

package org.coffeecrew.examples.enumeration;

public class Main {
    public static void main(String[] args) {
       for (ProgrammingLanguage pl: ProgrammingLanguage.values()) {
           printProgrammingLanguage(pl);
           printMoreAdjacent(ProgrammingLanguage.C, pl);
       }
    }

   public static void printProgrammingLanguage(ProgrammingLanguage pl) {
       System.out.println(pl);
   }

   public static void printMoreAdjacent(ProgrammingLanguage moreAdjacent,
                                        ProgrammingLanguage than) {
       ProgrammingLanguage.Adjacence adj = moreAdjacent.isMoreAdjecent(than);
       StringBuilder text = new StringBuilder();
       text.append(moreAdjacent.name())
           .append(" (")
           .append(moreAdjacent.longName())
           .append(")")
           .append(" is ");
                                                                                                                                                                                                                                         
       switch (adj) {                                                                                                                                                                                                                    
           case LESS:                                                                                                                                                                                                                    
               text.append(adj.name());                                                                                                                                                                                                  
               break;                                                                                                                                                                                                                    
           case EQUAL:                                                                                                                                                                                                                   
               text.append(adj.name());                                                                                                                                                                                                  
               break;                                                                                                                                                                                                                    
           case MORE:                                                                                                                                                                                                                    
               text.append(adj.name());                                                                                                                                                                                                  
               break;                                                                                                                                                                                                                    
           default:                                                                                                                                                                                                                      
               text.append(adj.name());                                                                                                                                                                                                  
       }                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                         
       text.append(" hardware adjacent than ")                                                                                                                                                                                           
           .append(than.name())                                                                                                                                                                                                          
           .append(" (")                                                                                                                                                                                                                 
           .append(than.longName())                                                                                                                                                                                                      
           .append(")");                                                                                                                                                                                                                 
       System.out.println(text.toString());                                                                                                                                                                                              
   }
}