📄 student-student.html
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<html><head><title>Code Fragment</title></head><body text=#000000><center></center><br><br><dl><dd><pre><font color=#8000a0>public</font> <font color=#8000a0><font color=#ff8000>class</font> </font>Student <font color=#8000a0><font color=#ff8000>implements</font> </font>Person { <font color=#8000a0><font color=#8000a0>String</font> </font>id; <font color=#8000a0><font color=#8000a0>String</font> </font>name; <font color=#8000a0><font color=#8000a0>int</font> </font>age; <font color=#8000a0><font color=#8000a0>public</font> </font><font color=#0000ff>Student </font>(<font color=#8000a0>String</font> i, <font color=#8000a0><font color=#8000a0>String</font> </font>n, <font color=#8000a0><font color=#8000a0>int</font> </font>a) { <font color=#ff0080>// simple constructor</font> id = i; name = n; age = a; } <font color=#8000a0><font color=#8000a0>protected</font> </font><font color=#8000a0>int</font> <font color=#0000ff>studyHours</font>() { <font color=#8000a0><font color=#ff8000>return</font> </font>age/2; } <font color=#ff0080>// just a guess</font> <font color=#8000a0><font color=#8000a0>public</font> </font><font color=#8000a0>String</font> <font color=#0000ff>getID </font>() { <font color=#8000a0><font color=#ff8000>return</font> </font>id; } <font color=#ff0080>// ID of the student</font> <font color=#8000a0><font color=#8000a0>public</font> </font><font color=#8000a0>String</font> <font color=#0000ff>getName</font>() { <font color=#8000a0><font color=#ff8000>return</font> </font>name; } <font color=#ff0080>// from Person interface</font> <font color=#8000a0><font color=#8000a0>public</font> </font><font color=#8000a0>int</font> <font color=#0000ff>getAge</font>() { <font color=#8000a0><font color=#ff8000>return</font> </font>age; } <font color=#ff0080>// from Person interface</font> <font color=#8000a0><font color=#8000a0>public</font> </font><font color=#8000a0>boolean</font> <font color=#0000ff>equalTo </font>(Person other) { <font color=#ff0080>// from Person interface</font> <font color=#8000a0>Student </font>otherStudent =<font color=#0000ff> </font>(Student) other; <font color=#ff0080>// cast Person to Student</font> <font color=#ff8000>return</font><font color=#0000ff> </font>(id.<font color=#0000ff>equals </font>(otherStudent.<font color=#0000ff>getID</font>())); <font color=#ff0080>// compare IDs</font> } <font color=#8000a0><font color=#8000a0>public</font> </font><font color=#8000a0>String</font> <font color=#0000ff>toString</font>() { <font color=#ff0080>// for printing</font> <font color=#ff8000>return</font> <font color=#008000>"Student(ID: "</font> + id + <font color=#008000>", Name: "</font> + name + <font color=#008000>", Age: "</font> + age + <font color=#008000>")"</font>; }}</dl></body></html>⌨️ 快捷键说明
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