7段階目（staticで社員データの件数を数えよう）

em-oop/src/EmployeeData.java

@@ -6,10 +6,12 @@ public class EmployeeData {
 	private String mailAddress;
 	private String password;
 	private String idDepartment;
+	private static int empCount = 0;
+	static final String COMPANY_NAME = "Rhizome";
 
 	//コンストラクタ
 	public EmployeeData() {
-
+		empCount++;
 	}
 
 	//引数ありコンストラクタ
@@ -21,6 +23,9 @@ public class EmployeeData {
 		this.setMailAddress(mailAddress);
 		this.setPassword(password);
 		this.setIdDepartment(idDepartment);
+
+		empCount++;
+
 	}
 
 	@Override
@@ -78,4 +83,8 @@ public class EmployeeData {
 		this.idDepartment = idDepartment;
 	}
 
+	public static int getEmpCount() {
+		return empCount;
+	}
+
 }