Cannot make a static reference to the non-static method
	
	
		Bonjour,
Je ne comprend pas pourquoi je dois mettre mes methodes en static
	Code:
	
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 |     public static void main(String arg[]) 
    { 
        if(connexion()) 
           menu(); 
        deconnexion(); 
    }
 
public boolean connexion(){...}
public void deconnexion(){...} | 
 
	Citation:
	
		
		
			Exception in thread "main" java.lang.Error: Unresolved compilation problems: 
    Cannot make a static reference to the non-static method connexion() from the type GestionVente
    Cannot make a static reference to the non-static method deconnexion() from the type GestionVente