$ cat Hello.java
package test;
public class Hello {
public int myadd(int x, int y) {
return 10 * x + y;
}
}
$ cat myapp.groovy
import test.Hello
def hello = new Hello()
println hello.myadd(13, 5)
$ javac Hello.java
$ mkdir test; mv Hello.class test
$ tree
.
├── groovy-all-2.2.1.jar
├── Hello.java
├── myapp.groovy
└── test
└── Hello.class
$ java -cp .:groovy-all-2.2.1.jar groovy.ui.GroovyMain myapp.groovy
135
Note:
-
You can't use groovy-2.2.1.jar here, or you will get a NoClassDefFoundError;
-
If your groovy script don't access other Java class, you can simply run "java -jar groovy-all-2.2.1.jar myapp.groovy".