scores-remove.html
来自「经典的数据结构源代码(java 实现)」· HTML 代码 · 共 24 行
HTML
24 行
<html><head><title>Code Fragment</title></head><body text=#000000><center></center><br><br><dl><dd><pre> <font color = #ff0080>/** Remove and return the high score at index i */</font> <font color=#8000a0><font color=#8000a0>public</font> </font>GameEntry <font color=#0000ff>remove</font>(<font color=#8000a0>int</font> i) <font color=#8000a0><font color=#ff8000>throws</font> </font>IndexOutOfBoundsException { <font color=#ff8000>if</font><font color=#0000ff> </font>(<font color=#0000ff></font>(i < 0) ||<font color=#0000ff> </font>(i >= numEntries)) <font color=#8000a0><font color=#ff8000>throw</font> </font><font color=#ff8000>new</font> <font color=#0000ff>IndexOutOfBoundsException</font>(<font color=#008000>"Invalid index: "</font> + i); <font color=#8000a0>GameEntry </font>temp = entries[i]; <font color=#ff0080>// temporarily save the object to be removed</font> <font color=#ff8000>for</font><font color=#0000ff> </font>(<font color=#8000a0>int</font> j = i; j < numEntries - 1; j++) <font color=#ff0080>// count up from i (not down)</font> entries[j] = entries[j+1]; <font color=#ff0080>// move one cell to the left</font> entries[numEntries -1 ] = null; <font color=#ff0080>// null out the old last score </font> numEntries--; <font color=#8000a0><font color=#ff8000>return</font> </font>temp; <font color=#ff0080>// return the removed object</font> }</dl></body></html>
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