diff --git a/em-oop/src/EmployeeData.java b/em-oop/src/EmployeeData.java
index 4cf3b68..d69c545 100644
--- a/em-oop/src/EmployeeData.java
+++ b/em-oop/src/EmployeeData.java
@@ -100,5 +100,13 @@ 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 b566adf..4afbed7 100644
--- a/em-oop/src/Main.java
+++ b/em-oop/src/Main.java
@@ -1,13 +1,13 @@
 
 public class Main {
 	public static void main(String[] args) {
-		//		EmployeeData[] employees = new EmployeeData[5];
-		//
-		//		employees[0] = new EmployeeData("10000", "山田龍也", "ヤマダタツヤ", "yamada@hoge.jp", "aaa", "10");
-		//		employees[1] = new EmployeeData("10001", "高橋準", "タカハシジュン", "jtaka@hoge.jp", "bbb", "10");
-		//		employees[2] = new EmployeeData("10002", "麻枝史明", "マエダフミアキ", "fmak@hoge.jp", "ccc", "11");
-		//		employees[3] = new EmployeeData("10003", "丸戸章介", "マルトショウスケ", "marusyo@hoge.jp", "ddd", "12");
-		//		employees[4] = new EmployeeData("10004", "三宅武", "ミタケタケシ", "miya@hoge.jp", "eee", "13");
+		BaseData[] employees = new BaseData[5];
+
+		employees[0] = new EmployeeData("10000", "山田龍也", "ヤマダタツヤ", "yamada@hoge.jp", "aaa", "10");
+		employees[1] = new EmployeeData("10001", "高橋準", "タカハシジュン", "jtaka@hoge.jp", "bbb", "10");
+		employees[2] = new EmployeeData("10002", "麻枝史明", "マエダフミアキ", "fmak@hoge.jp", "ccc", "11");
+		employees[3] = new EmployeeData("10003", "丸戸章介", "マルトショウスケ", "marusyo@hoge.jp", "ddd", "12");
+		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++) {
 		//
@@ -17,10 +17,32 @@ public class Main {
 		//
 		//		System.out.println("現在の社員データ件数：" + EmployeeData.getEmpCount() + "件");
 
-		EmployeeData employee = new EmployeeData("10000", "山田龍也", "ヤマダタツヤ", "yamada@hoge.jp", "aaa", "10");
+		String serchId1 = "10002";
+		System.out.println(serchId1 + "を検索します");
+		boolean bo = false;
+		for (int i = 0; i < employees.length; i++) {
+			if (((EmployeeData) employees[i]).isMatchId(serchId1)) {
+				bo = true;
+				break;
+			}
 
-		System.out.println(employee.toCSV());
-		System.out.println(employee.getPrimaryKeyValue());
+		}
+		System.out.println(bo);
+		String serchId2 = "99999";
+		System.out.println(serchId2 + "を検索します");
+		boolean bl = false;
+		for (int i = 0; i < employees.length; i++) {
+			if (((EmployeeData) employees[i]).isMatchId(serchId2)) {
+				bl = true;
+				break;
+			}
+		}
+		System.out.println(bl);
+
+		BaseData employee = new EmployeeData("10000", "山田龍也", "ヤマダタツヤ", "yamada@hoge.jp", "aaa", "10");
+
+		//		System.out.println(employee.toCSV());
+		//		System.out.println(employee.getPrimaryKeyValue());
 
 	}