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Is there a way for a running Java program to compile Java source code (passed as a string)?
Class newClass = Compiler.compile ("class ABC { void xyz {etc. etc. } }");
Ideally, any classes referenced by the passed-in source code would be resolved by the program's class loader.
Does something like this exist?
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The compile(String) method of the Pattern class in Java is used to create a pattern from the regular expression passed as parameter to method. Whenever you need to match a text against a regular expression pattern more than one time, create a Pattern instance using the Pattern. compile() method.
C++ ProgrammingType 'javac MyFirstJavaProgram. java' and press enter to compile your code. If there are no errors in your code, the command prompt will take you to the next line (Assumption: The path variable is set). Now, type ' java MyFirstJavaProgram ' to run your program.
Sure. Have a look at the JavaCompiler class and the other classes in the javax.tools package.
They've been around since Java 1.6.
Here is some example code.
(As pointed out by @Sergey Tachenov in the comments, it needs JDK to be installed as the necessary tools.jar file comes with JDK but not JRE.)
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