code: package edu.iastate.cs.egroum.utils;
  
  import java.util.HashSet;
  import java.util.Scanner;
  
  public class LibraryUtil {
  	public static HashSet<String> jdkClassQualifiedNames = new HashSet<String>();
  	public static HashSet<String> jdkLangClassSimpleNames = new HashSet<String>();
  	
  	static {
  		String content = FileIO.readStringFromFile("jdk-class-qual-names.csv");
  		Scanner sc = new Scanner(content);
  		while (sc.hasNextLine()) {
  			jdkClassQualifiedNames.add(sc.nextLine());
  		}
  		sc.close();
  		content = FileIO.readStringFromFile("jdk-lang-class-names.csv");
  		sc = new Scanner(content);
  		while (sc.hasNextLine()) {
  			jdkLangClassSimpleNames.add(sc.nextLine());
  		}
  		sc.close();
  	}
  }
  