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Jan 24, 2018
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Update CH07.md #24

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2 changes: 1 addition & 1 deletion docs/CH07.md
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Original file line number Diff line number Diff line change
Expand Up @@ -388,7 +388,7 @@ public class SafeArrayDemo {

public Account(String number, double money) {
accountNumber = number; // 實際等於this.accountNumber = number;
this.balance = money; // 實際等於this.balance = money;
balance = money; // 實際等於this.balance = money;
}

this 除了用來參考至呼叫方法的實際物件之外，還有一種可以帶引數的用法，主要是用於呼叫建構方法，而避免直接以建構方法的名稱來呼叫，例如在下面的程式片段中，當使用無參數的建構方法 Ball() 時，它會呼叫有參數的建構方法：
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