Function compileJava

compileJava(sourcePath: string): Promise<void>
Compiles a Java source file using javac.
Parameters
- sourcePath: string
  Path to the .java source file
Returns Promise<void>
Java execution command (e.g., "java -cp /path ClassName")
Throws
If compilation fails
Example
```
const javaCommand = await compileJava('solutions/Solution.java');
// Returns: 'java -cp /path/to/solutions Solution'
```
- Defined in helpers/utils.ts:74