diff --git a/emacs/.emacs.d/config/init-ide.el b/emacs/.emacs.d/config/init-ide.el
index fa14177..2febffd 100644
--- a/emacs/.emacs.d/config/init-ide.el
+++ b/emacs/.emacs.d/config/init-ide.el
@@ -42,9 +42,15 @@
                                    '(("vscode-html-language-server" "--stdio")
                                      ("html-languageserver" "--stdio")))))
   ;; Support jdtls' ability to jump into class files
-  (add-to-list 'eglot-server-programs '(java-mode . ("jdtls" :initializationOptions
-                                                     (:extendedClientCapabilities
-                                                      (:classFileContentsSupport t)))))
+  (add-to-list 'eglot-server-programs
+               '(java-mode . ("jdtls" :initializationOptions
+                              (:extendedClientCapabilities
+                               (:classFileContentsSupport t)
+                               :runtimes [(:name "JavaSE-11"
+                                           :path "/Library/Java/JavaVirtualMachines/amazon-corretto-11.jdk")
+                                          (:name "JavaSE-17"
+                                           :path "/Library/Java/JavaVirtualMachines/amazon-corretto-17.jdk"
+                                           :default t)]))))
   (defun jdt-class-file-name-handler (operation &rest args)
     "File name handler for jdtls' `jdt://' URIs."
     (cond
@@ -102,6 +108,20 @@
   (setq eglot-extend-to-xref t)
   (add-to-list 'file-name-handler-alist '("\\`jdt://" . jdt-class-file-name-handler))
   (add-to-list 'auto-mode-alist '("\\`jdt://" . java-mode))
+  ;; Java build command
+  (defun eglot-java-maven-build ()
+    (interactive)
+    (if-let ((pom-path (locate-dominating-file default-directory "pom.xml")))
+        (let ((pom-uri (eglot--path-to-uri pom-path)))
+          (jsonrpc-notify
+           (eglot--current-server-or-lose)
+           :java/projectConfigurationUpdate
+           (list :uri pom-uri))
+          (jsonrpc-notify
+           (eglot--current-server-or-lose)
+           :java/buildWorkspace
+           '((:json-false))))
+      (user-error "This doesn't appear to be a Maven project, could not find pom.xml.")))
   :init
   (defvar eglot-prefix-map (make-sparse-keymap)
     "Prefix keymap for eglot commands.")