groovy Groovy: A powerful, dynamic language for the JVM org.eclipse.ui.externaltools.ExternalToolBuilder full,incremental, LaunchConfigHandle <project>/.externalToolBuilders/Groovy ensureGrammars.launch org.eclipse.jdt.core.javabuilder org.codehaus.groovy.eclipse.groovyBuilder org.eclipse.jdt.core.javanature org.codehaus.groovy.eclipse.groovyNature