personpairdirectorygeneric-main.html
来自「经典的数据结构源代码(java 实现)」· HTML 代码 · 共 20 行
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<html><head><title>Code Fragment</title></head><body text=#000000><center></center><br><br><dl><dd><pre> <font color=#8000a0><font color=#8000a0>public</font> </font><font color=#8000a0>static</font> <font color=#8000a0><font color=#8000a0>void</font> </font><font color=#0000ff>main</font>(<font color=#8000a0>String</font>[] args) { Pair<<font color=#8000a0>String</font>,Integer>[] a = <font color=#8000a0><font color=#ff8000>new</font> </font>Pair[10]; <font color=#ff0080>// right, but gives a warning</font> Pair<<font color=#8000a0>String</font>,Integer>[] b = <font color=#8000a0><font color=#ff8000>new</font> </font>Pair<<font color=#8000a0>String</font>,Integer>[10]; <font color=#ff0080>// wrong!!</font> a[0] = <font color=#8000a0><font color=#ff8000>new</font> </font>Pair<<font color=#8000a0>String</font>,Integer><font color=#0000ff></font>(); <font color=#ff0080>// this is completely right</font> a[0].<font color=#0000ff>set</font>(<font color=#008000>"Dog"</font>,10); <font color=#ff0080>// this and the next statement are right too</font> System.out.<font color=#0000ff>println</font>(<font color=#008000>"First pair is "</font>+a[0].<font color=#0000ff>getKey</font>()+<font color=#008000>", "</font>+a[0].<font color=#0000ff>getValue</font>()); }</dl></body></html>
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