Update init.lua

neovim/init.lua

@@ -26,6 +26,8 @@ plug('tree-sitter/tree-sitter')
 plug('tpope/vim-surround')
 plug('neovim/nvim-lsp')
 plug('neovim/nvim-lspconfig')
+plug('williamboman/nvim-lsp-installer')
+plug('mfussenegger/nvim-jdtls')
 plug('junegunn/goyo.vim', {['for'] = 'markdown'})
 plug('junegunn/fzf', {['dir'] = '~/.fzf', ['do'] = './install --all'})
 plug('junegunn/fzf.vim')
@@ -133,6 +135,27 @@ for _, lsp in pairs(servers) do
         }
     }
 end
+-- Java auto complete/LSP
+local jdtls_cfg = {
+    cmd = {
+        'java',
+        '-Declipse.application=org.eclipse.jdt.ls.core.id1',
+        '-Dosgi.bundles.defaultStartLevel=4',
+        '-Declipse.product=org.eclipse.jdt.ls.core.product',
+        '-Dlog.protocol=true',
+        '-Dlog.level=ALL',
+        '-Xms1g',
+        '--add-modules=ALL-SYSTEM',
+        '--add-opens', 'java.base/java.util=ALL-UNNAMED',
+        '--add-opens', 'java.base/java.lang=ALL-UNNAMED',
+        '-jar', '~/.local/share/nvim/lsp_servers/jdtls/plugins/org.eclipse.equinox.launcher.cocoa.macosx.x86_64_1.2.400.v20211117-0650.jar',
+        '-configuration', '~/.local/share/nvim/lsp_servers/jdtls/config_mac'
+    },
+    root_dir = require('jdtls.setup').find_root({'.git', 'mvnw', 'gradlew'})
+}
+if vim.bo.filetype == 'java' then
+    require('jdtls').start_or_attach(jdtls_cfg)
+end
 -- 2 Tab space standard languages
 -- Clojure and Common Lisp style is 2 space indent
 vim.cmd([[