段階６完了しました。

em-oop/src/EmployeeData.java

@@ -55,13 +55,19 @@ public class EmployeeData {
 		this.idDepartment = idDepartment;
 	}
 
-	void showInfo() {
-		System.out.println(getIdEmployee() + "\t" + getNmEmployee() + "\t" + getKnEmployee() + "\t" + getMailAddress()
+	@Override
+	public String toString() {
+		String str;
+		str = (getIdEmployee() + "\t" + getNmEmployee() + "\t" + getKnEmployee() + "\t" + getMailAddress()
 				+ "\t" + getPassword() + "\t" + getIdDepartment());
+		return str;
 	}
+
 	public EmployeeData() {
 	}
-	public EmployeeData(String idEmployee, String nmEmployee, String knEmployee, String mailAddress, String password, String idDepartment) {
+
+	public EmployeeData(String idEmployee, String nmEmployee, String knEmployee, String mailAddress, String password,
+			String idDepartment) {
 		this.setIdEmployee(idEmployee);
 		this.setNmEmployee(nmEmployee);
 		this.setKnEmployee(knEmployee);

em-oop/src/Main.java

@@ -12,7 +12,7 @@ public class Main {
 			
 		
 		for (int i=0; i<=4; i++ ) {
-			employee[i].showInfo();
+			System.out.println(employee[i]);
 		}
 	}
 }