diff --git a/em-oop/src/EmployeeData.java b/em-oop/src/EmployeeData.java
index d69c545..a4486e2 100644
--- a/em-oop/src/EmployeeData.java
+++ b/em-oop/src/EmployeeData.java
@@ -49,6 +49,11 @@ public class EmployeeData extends BaseData {
 
 	public void setNmEmployee(String nmEmployee) {
 		this.nmEmployee = nmEmployee;
+
+		if (nmEmployee == null || nmEmployee.strip().isEmpty()) {
+			System.out.println("社員名が空のため設定できませんでした");
+			return;
+		}
 	}
 
 	public String getKnEmployee() {
@@ -100,13 +105,13 @@ public class EmployeeData extends BaseData {
 	public String getPrimaryKeyValue() {
 		return getIdEmployee();
 	}
-	
+
 	public boolean isMatchId(String id) {
 		if (id == null || this.idEmployee == null) {
 			return false;
 		}
 		return this.idEmployee.equals(id);
-		
+
 	}
 
 }
\ No newline at end of file
diff --git a/em-oop/src/Main.java b/em-oop/src/Main.java
index 0739c03..36e2dd3 100644
--- a/em-oop/src/Main.java
+++ b/em-oop/src/Main.java
@@ -6,7 +6,7 @@ public class Main {
 		//			System.out.println("検索したい社員IDを入力してください（終了する場合は0）");
 		//			String input = scanner.nextLine();
 
-		//		BaseData[] employees = new BaseData[5];
+		BaseData[] employees = new BaseData[5];
 		//		BaseData employee = new EmployeeData("10000", "山田龍也", "ヤマダタツヤ", "yamada@hoge.jp", "aaa", "10");
 		BaseData[] allData = new BaseData[11];
 		//		
@@ -23,28 +23,28 @@ public class Main {
 		allData[9] = new DepartmentData("14", "教育事業部");
 		allData[10] = new DepartmentData("15", "営業企画部");
 
-		String targetDeptId = "";
-
-		for (int i = 0; i < allData.length; i++) {
-
-			if (allData[i] instanceof DepartmentData) {
-				DepartmentData dept = (DepartmentData) allData[i];
-
-				if (dept.getNmDepartment().equals("システム開発事業部")) {
-					targetDeptId = dept.getIdDepartment();
-					break;
-				}
-			}
-		}
-
-		for (int i = 0; i < allData.length; i++) {
-			if (allData[i] instanceof EmployeeData) {
-				EmployeeData emp = (EmployeeData) allData[i];
-				if (emp.getIdDepartment().equals(targetDeptId)) {
-					System.out.println(emp.getNmEmployee() + "\t" + emp.getMailAddress());
-				}
-			}
-		}
+		//		String targetDeptId = "";
+		//
+		//		for (int i = 0; i < allData.length; i++) {
+		//
+		//			if (allData[i] instanceof DepartmentData) {
+		//				DepartmentData dept = (DepartmentData) allData[i];
+		//
+		//				if (dept.getNmDepartment().equals("システム開発事業部")) {
+		//					targetDeptId = dept.getIdDepartment();
+		//					break;
+		//				}
+		//			}
+		//		}
+		//
+		//		for (int i = 0; i < allData.length; i++) {
+		//			if (allData[i] instanceof EmployeeData) {
+		//				EmployeeData emp = (EmployeeData) allData[i];
+		//				if (emp.getIdDepartment().equals(targetDeptId)) {
+		//					System.out.println(emp.getNmEmployee() + "\t" + emp.getMailAddress());
+		//				}
+		//			}
+		//		}
 
 		//		int count = 0;
 		//		int countt = 0;
@@ -71,9 +71,16 @@ public class Main {
 		//			employees[4] = new EmployeeData("10004", "三宅武", "ミタケタケシ", "miya@hoge.jp", "eee", "13");
 		//			//
 
-		//
+		//		for (int i = 0; i < employees.length; i++) {
+		//			System.out.println(allData[i]);
+		//		}
 		//		System.out.println("現在の社員データ件数：" + EmployeeData.getEmpCount() + "件");
 
+		if (allData[0] instanceof EmployeeData) {
+			EmployeeData sampleEmp = (EmployeeData) allData[0];
+			sampleEmp.setNmEmployee("");
+		}
+
 		//			String serchId1 = "10002";
 		//		System.out.println(serchId1 + "を検索します");
 		//		boolean bo = false;