从字符串构造各种进制的BigInteger对象代码,Java代码库,德仔网

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【Java】从字符串构造各种进制的BigInteger对象
作者:Dezai.CN / 发布于2011/12/1/ 507
<pre><span style="color: #008080"> 1</span> <span style="color: #000000">    </span><span style="color: #0000ff">public</span><span style="color: #000000"> </span><span style="color: #0000ff">static</span><span style="color: #000000"> </span><span style="color: #0000ff">void</span><span style="color: #000000"> main(String args[]) {</span><span style="color: #008080"> 2</span> <span style="color: #000000">        BigInteger bi </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #0000ff">new</span><span style="color: #000000"> BigInteger(</span><span style="color: #000000">"</span><span style="color: #000000">120ff0</span><span style="color: #000000">"</span><span style="color: #000000">, </span><span style="color: #000000">16</span><span style="color: #000000">);</span><span style="color: #008080"> 3</span> <span style="color: #000000">        Integer ii </span><span style="color: #000000">=</span><span style="color: #000000"> Integer.valueOf(</span><span style="color: #000000">"</span><span style="color: #000000">120ff0</span><span style="color: #000000">"</span><span style="color: #000000">, </span><span style="color: #000000">16</span><span style="color: #000000">);</span><span style="color: #008080"> 4</span> <span style="color: #000000">        </span><span style="color: #0000ff">if</span><span style="color: #000000"> (bi.intValue() </span><span style="color: #000000">==</span><span style="color: #000000"> ii.intValue())</span><span style="color: #008080"> 5</span> <span style="color: #000000">            System.out.println(</span><span style="color: #000000">"</span><span style="color: #000000">bi.intValue == ii.intValue</span><span style="color: #000000">"</span><span style="color: #000000">);</span><span style="color: #008080"> 6</span> <span style="color: #000000">        System.out.println(</span><span style="color: #000000">"</span><span style="color: #000000">int i = </span><span style="color: #000000">"</span><span style="color: #000000"> </span><span style="color: #000000">+</span><span style="color: #000000"> bi.intValue());</span><span style="color: #008080"> 7</span> <span style="color: #000000"></span><span style="color: #008080"> 8</span> <span style="color: #000000">        BigInteger bi2 </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #0000ff">new</span><span style="color: #000000"> BigInteger(</span><span style="color: #000000">"</span><span style="color: #000000">100100100111111110000</span><span style="color: #000000">"</span><span style="color: #000000">, </span><span style="color: #000000">2</span><span style="color: #000000">);</span><span style="color: #008080"> 9</span> <span style="color: #000000">        System.out.println(bi2.intValue());</span><span style="color: #008080">10</span> <span style="color: #000000">    }</span><span style="color: #008080">11</span> <span style="color: #000000">    </span><span style="color: #008000">/*</span><span style="color: #008000">    输出结果如下：</span><span style="color: #008080">12</span> <span style="color: #008000">        bi.intValue == ii.intValue</span><span style="color: #008080">13</span> <span style="color: #008000">        int i = 1183728</span><span style="color: #008080">14</span> <span style="color: #008000">        1200112    </span><span style="color: #008080">15</span> <span style="color: #008000">    </span><span style="color: #008000">*/</span></pre>
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