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< h1 > mc< a class = "headerlink" href = "#mc" title = "Permalink to this headline" > ¶< / a > < / h1 >
< blockquote >
< div > < p > Memory compiler, compiles < code class = "docutils literal notranslate" > < span class = "pre" > .java< / span > < / code > files into < code class = "docutils literal notranslate" > < span class = "pre" > .class< / span > < / code > files in memory.< / p >
< / div > < / blockquote >
< div class = "highlight-bash notranslate" > < div class = "highlight hljs" > < pre class = "bash" > mc /tmp/Test.java< / pre > < / div >
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< p > The classloader can be specified with the < code class = "docutils literal notranslate" > < span class = "pre" > -c< / span > < / code > option:< / p >
< div class = "highlight-bash notranslate" > < div class = "highlight hljs" > < pre class = "bash" > mc -c 327a647b /tmp/Test.java< / pre > < / div >
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< p > The output directory can be specified with the < code class = "docutils literal notranslate" > < span class = "pre" > -d< / span > < / code > option:< / p >
< div class = "highlight-bash notranslate" > < div class = "highlight hljs" > < pre class = "bash" > mc -d /tmp/output /tmp/ClassA.java /tmp/ClassB.java< / pre > < / div >
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< p > After compiling the < code class = "docutils literal notranslate" > < span class = "pre" > .class< / span > < / code > file, you can use the < a class = "reference internal" href = "redefine.html" > < span class = "doc" > redefine< / span > < / a > command to re-define the loaded classes in JVM.< / p >
< blockquote >
< div > < p > Note that the mc command may fail. If the compilation fails, the < code class = "docutils literal notranslate" > < span class = "pre" > .class< / span > < / code > file can be compiled locally and uploaded to the server. Refer to the < a class = "reference internal" href = "redefine.html" > < span class = "doc" > redefine< / span > < / a > command description for details.< / p >
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