What program can i use to decompile a class file The maven core compiler plugin. Will i actually get java code, or is it just jvm assembly code
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On java performance questions on this site i often see responses from people who have decompiled the java class file to see how the compiler optimizes certain things.
Another example of this is when you use (java 9+) java someclass.java to compile and run a class
If the class depends on another class that you haven't compiled (or recompiled), you are liable to get cannot resolve symbol errors referring to the 2nd class. Java source code is compiled down to bytecode by the java compiler The bytecode is executed by a java virtual machine (jvm) Some implementations of jvm may choose.
In my case, in the project properties, java compiler, the jdk compliance was set to use the workspace settings, which were different from the java version for the project. It has everything the jre has, but also the compiler (javac) and tools (like javadoc and jdb) It is capable of creating and compiling programs Usually, if you only care about running java programs on computer you will only install the jre
In the window that appears search the compiling category, and in the textbox labeled additional compiler options set the xlint:unchecked option
Thus, the setting will remain set for every time you compile the project. After installing the jdk, you would need to configure your environment for java development The most common way is to set java_home environment variable to the install location of the jdk while you can also use java.home setting in visual studio code settings (workspace or user settings) to configure it just for the editor. Which is the best way to specify the jdk version
It changes nothing in the facts since finally the two ways rely on the same properties and the same mechanism