diff --git a/init.lua b/init.lua
index 998f9ecf..80c5a1c5 100644
--- a/init.lua
+++ b/init.lua
@@ -663,18 +663,18 @@ require('lazy').setup({
       --  - settings (table): Override the default settings passed when initializing the server.
       --        For example, to see the options for `lua_ls`, you could go to: https://luals.github.io/wiki/settings/
       local servers = {
-        -- clangd = {},
-        -- gopls = {},
-        -- pyright = {},
-        -- rust_analyzer = {},
+        clangd = {},
+        gopls = {},
+        pyright = {},
+        rust_analyzer = {},
+        jdtls = {},
         -- ... etc. See `:help lspconfig-all` for a list of all the pre-configured LSPs
         --
         -- Some languages (like typescript) have entire language plugins that can be useful:
         --    https://github.com/pmizio/typescript-tools.nvim
         --
         -- But for many setups, the LSP (`ts_ls`) will work just fine
-        -- ts_ls = {},
-        --
+        ts_ls = {},
 
         lua_ls = {
           -- cmd = { ... },
@@ -936,7 +936,7 @@ require('lazy').setup({
     main = 'nvim-treesitter.configs', -- Sets main module to use for opts
     -- [[ Configure Treesitter ]] See `:help nvim-treesitter`
     opts = {
-      ensure_installed = { 'bash', 'c', 'diff', 'html', 'lua', 'luadoc', 'markdown', 'markdown_inline', 'query', 'vim', 'vimdoc' },
+      ensure_installed = { 'bash', 'c', 'diff', 'html', 'lua', 'luadoc', 'markdown', 'markdown_inline', 'query', 'vim', 'vimdoc', 'java' },
       -- Autoinstall languages that are not installed
       auto_install = true,
       highlight = {
diff --git a/lua/custom/plugins/init.lua b/lua/custom/plugins/init.lua
index 8c086776..e938609e 100644
--- a/lua/custom/plugins/init.lua
+++ b/lua/custom/plugins/init.lua
@@ -10,6 +10,7 @@ vim.opt.wrap = false
 vim.keymap.set('n', '<C-k>', '10k', { desc = 'Scroll up and center' })
 vim.keymap.set('n', '<C-j>', '10j', { desc = 'Scroll down and center' })
 vim.keymap.set('n', '<C-c>', 'ggVGy', { desc = 'copy file', noremap = true })
+vim.keymap.set('n', '<leader>e', ':Explore<CR>', { desc = 'copy file', noremap = true })
 
 return {
   {
@@ -68,4 +69,8 @@ return {
       neogit.setup {}
     end,
   },
+
+  {
+    'mfussenegger/nvim-jdtls',
+  },
 }