dlist-conv.html

来自「经典的数据结构源代码(java 实现)」· HTML 代码 · 共 31 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>/** Returns whether a given node has a previous node */</font>  <font color=#8000a0><font color=#8000a0>public</font> </font><font color=#8000a0>boolean</font> <font color=#0000ff>hasPrev</font>(DNode v) { <font color=#8000a0><font color=#ff8000>return</font> </font>v != header; }  <font color = #ff0080>/** Returns whether a given node has a next node */</font>  <font color=#8000a0><font color=#8000a0>public</font> </font><font color=#8000a0>boolean</font> <font color=#0000ff>hasNext</font>(DNode v) { <font color=#8000a0><font color=#ff8000>return</font> </font>v != trailer; }  <font color = #ff0080>/** Returns a string representation of the list */</font>  <font color=#8000a0><font color=#8000a0>public</font> </font><font color=#8000a0>String</font> <font color=#0000ff>toString</font>() {    <font color=#8000a0><font color=#8000a0>String</font> </font>s = <font color=#008000>"["</font>;    <font color=#8000a0>DNode </font>v = header.<font color=#0000ff>getNext</font>();    <font color=#ff8000>while</font><font color=#0000ff> </font>(v != trailer) {      s += v.<font color=#0000ff>getElement</font>();      v = v.<font color=#0000ff>getNext</font>();      <font color=#ff8000>if</font><font color=#0000ff> </font>(v != trailer)	s += <font color=#008000>","</font>;    }    s += <font color=#008000>"]"</font>;    <font color=#8000a0><font color=#ff8000>return</font> </font>s;  }}</dl></body></html>

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