Java by API/java.util/ServiceLoader

ServiceLoader: load(Class<JavaCompiler> service)

    
import java.util.ServiceLoader;
import javax.tools.JavaCompiler;
public class Main {
  public static void main(String[] args) {
    ServiceLoader<JavaCompiler> compilers = ServiceLoader.load(JavaCompiler.class);
    System.out.println(compilers.toString());
    for (JavaCompiler compiler : compilers)
      System.out.println(compiler);
  }
}

ServiceLoader: toString()

    
import java.util.ServiceLoader;
import javax.tools.JavaCompiler;
public class Main {
  public static void main(String[] args) {
    ServiceLoader<JavaCompiler> compilers = ServiceLoader.load(JavaCompiler.class);
    System.out.println(compilers.toString());
    for (JavaCompiler compiler : compilers)
      System.out.println(compiler);
  }
}