private String createOrderSummary(String orderPersonName, int quantity, int price) {
String orderPersonName = "Kaptain Kunal";
String createOrderSummary = "Name: " + orderPersonName;
createOrderSummary = createOrderSummary + "\nQuantity: " + quantity;
createOrderSummary = createOrderSummary + "\nTotal: " + price;
createOrderSummary = createOrderSummary + "\nThank you!";
return createOrderSummary;
}
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它说“ orderPersonName”已经定义。我见过2次以上,但我不明白,因为第一个不是“定义”,第二个不是“利用”吗?
你能解释一下吗?
谢谢 :)