Please comments on the code below;

public class NetworkAlignment $\{$

public static void main$($String$[]$ args$)\{$

System.out.println$("$Launching network alignment memetic algorithm."$)$;

long startTime $=$ System.currentTimeMillis$()$;

System.out.println$("$Initialising and loading data."$)$;

NetworkAlignment na $=$ new NetworkAlignment$($args$[0],$ args$[1])$;

long initialisationTime $=$ System.currentTimeMillis$()$;

System.out.println$("$Beginning memetic algorithm."$)$;

na$.$runMemeticAlgorithm$(1000,100,100)$;

long endTime $=$ System.currentTimeMillis$()$;

System.out.println$("$Time to initialise: $"+($initialisationTime $-$ startTime$))$;

System.out.println$("$Time in memetic algorithm: $"+($endTime $-$ initialisationTime$))$;

System.out.println$("$Total time: $"+($endTime $-$ startTime$))$;

$\}$

private List, Integer$>>$ population;

private Graph graphOne;

private Graph graphTwo;

private final List graphOneVertices;

private final List graphTwoVertices;

private final Map graphOneVertexIndices;

private final Map graphTwoVertexIndices;

private Map$>$ graphOneAdjacencies;

private Map$>$ graphTwoAdjacencies;

private List$>$ graphOneIndexAdjacencies;

private List$>$ graphTwoIndexAdjacencies;

private final Random random;

private final int EDGEVALUE $=1$;

private final int upperbound;

private final int individualSize;

public NetworkAlignment$($String graphOneFilename, String graphTwoFilename$)\{$

this.random $=$ new Random$()$;

this.graphOne $=$ new UndirectedGraph$()$;

this.graphTwo $=$ new UndirectedGraph$()$;