Java基础篇-基本类型

微信公众号  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8%AA%E5%85%B3%E4%BA%8E%E5%8C%85%E8%A3%85%E7%B1%BB%E5%9E%8B%E7%9A%84%E6%AF%94%E8%BE%83%E5%B7%A7%E5%A6%99%E5%9C%B0%E8%AE%BE%E8%AE%A1%EF%BC%8C%E6%9D%A5%E7%9C%8B%E4%B8%8BvalueOf%E8%BF%99%E4%B8%AA%E5%87%BD%E6%95%B0</p>%20<pre><code>public%C2%A0static%C2%A0Integer%C2%A0valueOf(int%C2%A0i)%C2%A0%7B</code><code>%C2%A0%C2%A0%C2%A0%C2%A0if%C2%A0(i%C2%A0>=%C2%A0IntegerCache.low%C2%A0&&%C2%A0i%C2%A0<=%C2%A0IntegerCache.high)</code><code>%C2%A0%C2%A0%C2%A0%C2%A0%C2%A0%C2%A0%C2%A0%C2%A0return%C2%A0IntegerCache.cache%5Bi%C2%A0+%C2%A0(-IntegerCache.low)%5D;</code><code>%C2%A0%C2%A0%C2%A0%C2%A0return%C2%A0new%C2%A0Integer(i);</code><code>%7D%0A</code></pre>%20<p>IntegerCache.low%20%E6%98%AF-128%EF%BC%8CIntegerCache.hig%E6%98%AF127%EF%BC%8C%E4%B9%9F%E5%B0%B1%E6%98%AF%E8%AF%B4%EF%BC%8C%E5%A6%82%E6%9E%9Cint%E5%80%BC%E6%98%AF-128-127%E4%B9%8B%E9%97%B4%E7%9A%84%E6%97%B6%E5%80%99%EF%BC%8C%E8%BF%94%E5%9B%9E%E7%9A%84%E7%BB%93%E6%9E%9C%E6%98%AFIntegerCache.cache%E8%BF%99%E4%B8%AA%E7%BC%93%E5%AD%98%E6%B1%A0%E4%B8%AD%E7%9A%84%E5%AF%B9%E8%B1%A1,%E5%8D%B3valueOf%E5%87%BD%E6%95%B0%E8%BF%94%E5%9B%9E%E7%BB%93%E6%9E%9C%E5%9C%A8%E8%BF%99%E4%B8%AA%E8%8C%83%E5%9B%B4%E5%86%85%E7%9A%84%E9%83%BD%E6%98%AF%E6%8C%87%E5%90%91%E7%9A%84%E6%98%AF%E4%B8%80%E4%B8%AA%E5%AF%B9%E8%B1%A1%EF%BC%8C%E5%A6%82%E6%9E%9C%E4%B8%8D%E5%9C%A8%E8%BF%99%E4%B8%AA%E8%8C%83%E5%9B%B4%E5%86%85%E5%B0%B1%E8%BF%94%E5%9B%9E%E4%B8%80%E4%B8%AA%E6%96%B0%E7%9A%84Integer%E5%AF%B9%E8%B1%A1%E3%80%82</p>%20<p>%C2%A0</p>%20<p>%E6%89%80%E4%BB%A5%E9%9D%A2%E8%AF%95%E8%BF%87%E7%A8%8B%E4%B8%AD%EF%BC%8C%E8%BF%99%E4%B8%AA%E7%BB%8F%E5%B8%B8%E4%BC%9A%E9%97%AE</p>%20<pre><code>Integer%C2%A0%C2%A0no1%C2%A0=%C2%A010;</code><code>Integer%C2%A0%C2%A0no2%C2%A0=%C2%A010;</code><code>Integer%C2%A0%C2%A0no3%C2%A0=%C2%A0200;</code><code>Integer%C2%A0%C2%A0no4%C2%A0=%C2%A0200;</code><code>System.out.println(no1==no2);</code><code>System.out.println(no3==no4);%0A</code></pre>%20<p>%E4%B8%8A%E8%BE%B9%E8%BF%99%E5%9D%97%E4%BB%A3%E7%A0%81%E8%BE%93%E5%87%BA%E7%BB%93%E6%9E%9C%E6%98%AF%E4%BB%80%E4%B9%88%EF%BC%9F</p>%20</div>%0A%20%20%20%20%20%20%20%20%20%20%20%20<div%20class=" 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版权声明：本文为CSDN博主「mmqw1122」的原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接及本声明。

原文链接：https://blog.csdn.net/mmqw1122/article/details/105919438