2026_0910_AI_5G_Java_MUN/java-cui-em-oop
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Day3_9段階目

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m-shimizu
2026-09-24 15:57:49 +09:00
parent 5a8c7eb2fd
commit 99506c4369
1 changed files with 49 additions and 21 deletions
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68
em-oop/src/Main.java
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@@ -108,34 +108,62 @@ public class Main {
allData[10] = dept6;
//6段階目
//全データ表示
for (int i = 0; i < allData.length; i++) {
System.out.println(allData[i]);
}
// for (int i = 0; i < allData.length; i++) {
// System.out.println(allData[i]);
// }
//7段階目：instanceofで型を確認しよう
int employeeCount = 0;
int departmentCount = 0;
for(int i = 0; i < allData.length; i++) {
if(allData[i] instanceof EmployeeData) {
employeeCount++;
}
if(allData[i] instanceof DepartmentData) {
departmentCount++;
}
}
System.out.println("社員データ" + employeeCount + "件");
System.out.println("部署データ" + departmentCount + "件");
//7段階目：instanceofで件数を数える
// int employeeCount = 0;
// int departmentCount = 0;
//
// for(int i = 0; i < allData.length; i++) {
// if(allData[i] instanceof EmployeeData) {
// employeeCount++;
// }
//
// if(allData[i] instanceof DepartmentData) {
// departmentCount++;
// }
// }
//
// System.out.println("社員データ" + employeeCount + "件");
// System.out.println("部署データ" + departmentCount + "件");
//8段階目
//全社員のメールアドレスを表示
// for(int i = 0; i < allData.length; i++) {
// if(allData[i] instanceof EmployeeData) {
// EmployeeData employeeData = (EmployeeData) allData[i];
//
// System.out.println(employeeData.getMailAddress());
// }
// }
//部署名から社員を検索
String targetDepartmentId = null;
for(int i = 0; i < allData.length;i++) {
if(allData[i] instanceof DepartmentData) {
DepartmentData departmentData = (DepartmentData) allData[i];
if(departmentData.getNmDepartment().equals("システム開発事業部")) {
targetDepartmentId = departmentData.getIdDepartment();
}
}
}
for (int i = 0; i < allData.length; i++) {
if(allData[i] instanceof EmployeeData) {
EmployeeData employeeData = (EmployeeData) allData[i];
System.out.println(employeeData.getMailAddress());
if(employeeData.getIdDepartment().equals(targetDepartmentId)) {
System.out.println(employeeData.getNmEmployee() + "\t" + employeeData.getMailAddress());
}
}
}