favoritetester-tester.html
来自「经典的数据结构源代码（java 实现）」· HTML 代码 · 共 56 行
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<html><head><title>Code Fragment</title></head><body text=#000000><center></center><br><br><dl><dd><pre><font color=#ff8000>import</font> java.io.*;<font color=#ff8000>import</font> javax.swing.*;<font color=#ff8000>import</font> java.awt.*;<font color=#ff8000>import</font> java.net.*;<font color=#ff8000>import</font> java.util.Random;<font color = #ff0080>/** Example program for the FavoriteList and FavoriteListMTF classes */</font><font color=#8000a0>public</font> <font color=#8000a0><font color=#ff8000>class</font> </font>FavoriteTester { <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) { <font color=#8000a0>String</font>[] urlArray = {"http:<font color=#ff0080>//wiley.com", "http://datastructures.net", </font> "http:<font color=#ff0080>//algorithmdesign.net", "http://www.brown.edu",</font> "http:<font color=#ff0080>//uci.edu" };</font> FavoriteList<<font color=#8000a0>String</font>> L1 = <font color=#8000a0><font color=#ff8000>new</font> </font>FavoriteList<<font color=#8000a0>String</font>><font color=#0000ff></font>(); FavoriteListMTF<<font color=#8000a0>String</font>> L2 = <font color=#8000a0><font color=#ff8000>new</font> </font>FavoriteListMTF<<font color=#8000a0>String</font>><font color=#0000ff></font>(); <font color=#8000a0><font color=#8000a0>int</font> </font>n = 20; <font color=#ff0080>// number of access operations</font> <font color=#ff0080>// Simulation scenario: access n times a random URL</font> <font color=#8000a0>Random </font>rand = <font color=#8000a0><font color=#ff8000>new</font> </font><font color=#0000ff>Random</font>(); <font color=#ff8000>for</font><font color=#0000ff> </font>(<font color=#8000a0>int</font> k = 0; k < n; k++) { System.out.<font color=#0000ff>println</font>(<font color=#008000>"-------------------------------------------"</font>); <font color=#8000a0><font color=#8000a0>int</font> </font>i = rand.<font color=#0000ff>nextInt</font>(urlArray.length); <font color=#ff0080>// random index</font> <font color=#8000a0><font color=#8000a0>String</font> </font>url = urlArray[i]; <font color=#ff0080>// random URL</font> System.out.<font color=#0000ff>println</font>(<font color=#008000>"Accessing: "</font> + url); L1.<font color=#0000ff>access</font>(url); System.out.<font color=#0000ff>println</font>(<font color=#008000>"L1 = "</font> + L1); L2.<font color=#0000ff>access</font>(url); System.out.<font color=#0000ff>println</font>(<font color=#008000>"L2 = "</font> + L2); } <font color=#8000a0><font color=#8000a0>int</font> </font>t = L1.<font color=#0000ff>size</font>()/2; System.out.<font color=#0000ff>println</font>(<font color=#008000>"-------------------------------------------"</font>); System.out.<font color=#0000ff>println</font>(<font color=#008000>"Top "</font> + t + <font color=#008000>" in L1 = "</font> + L1.<font color=#0000ff>top</font>(t)); System.out.<font color=#0000ff>println</font>(<font color=#008000>"Top "</font> + t + <font color=#008000>" in L2 = "</font> + L2.<font color=#0000ff>top</font>(t)); <font color=#ff0080>// Pop up a browser window displaying the most popular URL in L1</font> <font color=#ff8000>try</font> { <font color=#8000a0><font color=#8000a0>String</font> </font>popular = L1.<font color=#0000ff>top</font>(1).<font color=#0000ff>iterator</font>().<font color=#0000ff>next</font>(); <font color=#ff0080>// most popular URL in L1</font> <font color=#8000a0>JEditorPane </font>jep = <font color=#8000a0><font color=#ff8000>new</font> </font><font color=#0000ff>JEditorPane</font>(popular); jep.<font color=#0000ff>setEditable</font>(false); <font color=#8000a0>JFrame </font>frame = <font color=#8000a0><font color=#ff8000>new</font> </font><font color=#0000ff>JFrame</font>(popular); frame.<font color=#0000ff>getContentPane</font>().<font color=#0000ff>add</font>(<font color=#ff8000>new</font> <font color=#0000ff>JScrollPane</font>(jep), BorderLayout.CENTER); frame.<font color=#0000ff>setSize</font>(640, 480); frame.<font color=#0000ff>setVisible</font>(true); } <font color=#ff8000>catch</font><font color=#0000ff> </font>(IOException e) { <font color=#ff0080>// ignore I/O exceptions </font> } }}</dl></body></html>⌨️ 快捷键说明
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