lexicographic-lexicographic.html

来自「经典的数据结构源代码(java 实现)」· HTML 代码 · 共 24 行

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<html><head><title>Code Fragment</title></head><body text=#000000><center></center><br><br><dl><dd><pre><font color = #ff0080>/** Comparator for 2D points under the standard lexicographic order. */</font><font color=#8000a0>public</font> <font color=#8000a0><font color=#ff8000>class</font> </font>Lexicographic&lt;E <font color=#8000a0><font color=#ff8000>extends</font> </font>Point2D&gt;       <font color=#8000a0><font color=#ff8000>implements</font> </font>java.util.Comparator&lt;E&gt; {  <font color = #ff0080>/** Compare two points */</font>  <font color=#8000a0><font color=#8000a0>public</font> </font><font color=#8000a0>int</font> <font color=#0000ff>compare</font>(E a, <font color=#8000a0>E </font>b) {    <font color=#ff8000>if</font><font color=#0000ff> </font>(a.<font color=#0000ff>getX</font>() != b.<font color=#0000ff>getX</font>())      <font color=#8000a0><font color=#ff8000>return</font> </font>b.<font color=#0000ff>getX</font>() - a.<font color=#0000ff>getX</font>();    <font color=#ff8000>else</font>      <font color=#8000a0><font color=#ff8000>return</font> </font>b.<font color=#0000ff>getY</font>() - a.<font color=#0000ff>getY</font>();  }} <font color=#ff0080>// Lexicographic automatically inherits an equals() method from Object</font></dl></body></html>

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