Day2第2段階完了

This commit is contained in:
m-endo
2026-09-15 15:58:16 +09:00
parent 6331059990
commit 9c55517492
2 changed files with 43 additions and 15 deletions

View File

@@ -6,17 +6,17 @@ public class BasicCheck3 {
Item[] items = new Item[3]; Item[] items = new Item[3];
//newインスタンス代入 //newインスタンス代入
items[0] = new Item(); items[0] = new Item();
items[0].name = "ノート"; items[0].setName("ノート");
items[0].price = 120; items[0].setPrice(120);
items[0].stock = 50; items[0].setStock(50);
items[1] = new Item(); items[1] = new Item();
items[1].name = "消しゴム"; items[1].setName("消しゴム");
items[1].price = 80; items[1].setPrice(80);
items[1].stock = 30; items[1].setStock (30);
items[2] = new Item(); items[2] = new Item();
items[2].name = "鉛筆"; items[2].setName("鉛筆");
items[2].price = 60; items[2].setPrice(60);
items[2].stock = 100; items[2].setStock(100);
//for文残り数の引き算 //for文残り数の引き算
for (int i = 0; i <= 2 ; i++) { for (int i = 0; i <= 2 ; i++) {
@@ -25,7 +25,7 @@ public class BasicCheck3 {
} }
//3件出力 //3件出力
for (int i = 0; i <= 2 ; i++) { for (int i = 0; i <= 2 ; i++) {
System.out.println(items[i].name+ "" +items[i].price + "円" +"" + "残り" + items[i].stock + "個"); System.out.println(items[i]);

View File

@@ -1,12 +1,40 @@
public class Item { public class Item {
//フィールド宣言 //フィールド宣言
String name; private String name;
int price; private int price;
int stock; private int stock;
//メソッド宣言 //メソッド宣言
void sell(int amount) { void sell(int amount) {
this.stock = this.stock - amount; this.setStock(this.getStock() - amount);
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getPrice() {
return price;
}
public void setPrice(int price) {
this.price = price;
}
public int getStock() {
return stock;
}
public void setStock(int stock) {
this.stock = stock;
}
@Override
public String toString() {
return getName() + " " + getPrice() + "円 (残り" + getStock() + "個)";
} }
} }