ผลต่างระหว่างรุ่นของ "Java-examples"
Jittat (คุย | มีส่วนร่วม) |
Jittat (คุย | มีส่วนร่วม) |
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แถว 20: | แถว 20: | ||
=== PrepaidPhone.java === | === PrepaidPhone.java === | ||
− | < | + | <geshi lang="java"> |
public class PrepaidPhone extends Phone { | public class PrepaidPhone extends Phone { | ||
แถว 34: | แถว 34: | ||
} | } | ||
} | } | ||
− | </ | + | </geshi> |
=== PostpaidPhone.java === | === PostpaidPhone.java === | ||
− | < | + | <geshi lang="java"> |
− | |||
public class PostpaidPhone extends Phone { | public class PostpaidPhone extends Phone { | ||
แถว 49: | แถว 48: | ||
} | } | ||
} | } | ||
− | </ | + | </geshi> |
รุ่นแก้ไขเมื่อ 03:39, 29 เมษายน 2553
Phone.java
<geshi lang="java"> public class Phone { private double credit; Phone(double inCredit) { credit = inCredit; } public double getCredit() { return credit; } public void setCredit(double credit) { this.credit = credit; } public void call(double minute) { credit -= callCost(minute); } protected double callCost(double minute) { return 0; } } </geshi>
PrepaidPhone.java
<geshi lang="java"> public class PrepaidPhone extends Phone {
PrepaidPhone(double inCredit) { super(inCredit); }
protected double callCost(double minute) { if(minute <= 1) return 1; else return 1 + (minute - 1) * 0.5; } } </geshi>
PostpaidPhone.java
<geshi lang="java"> public class PostpaidPhone extends Phone {
PostpaidPhone(double inCredit) { super(inCredit); }
public double callCost(double minute) { return minute * 0.25; } } </geshi>