What is the method called in Groovy for calling Java?

To invoke a Groovy method in Java, you can use the GroovyShell class to execute Groovy code. The specific steps are as follows:

1. Instantiate a GroovyShell object:

GroovyShell shell = new GroovyShell();

1. Execute Groovy code using GroovyShell object.

Object result = shell.evaluate("println 'Hello, Groovy!'");

1. Obtain the execution results:

System.out.println(result);

By following the above steps, you can call Groovy methods in Java and retrieve the execution result.