６段階目終わりました

em-oop/src/EmployeeData.java

@@ -69,8 +69,9 @@ public class EmployeeData {
 		this.idDepartment = idDepartment;
 	}
 
-	public void showInfo() {
-		System.out.println(this.getIdEmployee() + "\t" + this.getNmEmployee() + "\t" + this.getKnEmployee() + "\t"
+	@Override
+	public String toString() {
+		return (this.getIdEmployee() + "\t" + this.getNmEmployee() + "\t" + this.getKnEmployee() + "\t"
 				+ this.getMailAddress() + "\t" + this.getPassword() + "\t" + this.getIdDepartment());
 
 	}