diff --git a/lazy-lock.json b/lazy-lock.json
index 0512ae9..319ba5b 100644
--- a/lazy-lock.json
+++ b/lazy-lock.json
@@ -20,6 +20,7 @@
   "nvim-autopairs": { "branch": "master", "commit": "4f41e5940bc0443fdbe5f995e2a596847215cd2a" },
   "nvim-cmp": { "branch": "main", "commit": "8202df9561b90102b41dbc1ad71945534ef4ea39" },
   "nvim-colorizer.lua": { "branch": "master", "commit": "760e27df4dd966607e8fb7fd8b6b93e3c7d2e193" },
+  "nvim-jdtls": { "branch": "master", "commit": "8eb5f0dbe6e126b392ddcaf45893358619893e45" },
   "nvim-lspconfig": { "branch": "master", "commit": "649137cbc53a044bffde36294ce3160cb18f32c7" },
   "nvim-tree.lua": { "branch": "master", "commit": "78a9ca5ed6557f29cd0ce203df44213e54bfabb9" },
   "nvim-treesitter": { "branch": "master", "commit": "17d7cf6f4b4057a949e86df6fbc2e271ba788823" },
diff --git a/lua/core/mappings.lua b/lua/core/mappings.lua
index ee373cf..683da15 100644
--- a/lua/core/mappings.lua
+++ b/lua/core/mappings.lua
@@ -159,10 +159,10 @@ M.fugitive = {
 M.harpoon = {
     plugin = true,
     n = {
-        ["<C-j>"] = { function() require("harpoon.ui").nav_file(1) end, "Harpoon File 1" },
-        ["<C-k>"] = { function() require("harpoon.ui").nav_file(2) end, "Harpoon File 2" },
-        ["<C-l>"] = { function() require("harpoon.ui").nav_file(3) end, "Harpoon File 3" },
-        ["<C-;>"] = { function() require("harpoon.ui").nav_file(4) end, "Harpoon File 4" },
+        ["<C-h>"] = { function() require("harpoon.ui").nav_file(1) end, "Harpoon File 1" },
+        ["<C-j>"] = { function() require("harpoon.ui").nav_file(2) end, "Harpoon File 2" },
+        ["<C-k>"] = { function() require("harpoon.ui").nav_file(3) end, "Harpoon File 3" },
+        ["<C-l>"] = { function() require("harpoon.ui").nav_file(4) end, "Harpoon File 4" },
 
         ["<C-e>"] = { function() require("harpoon.ui").toggle_quick_menu() end, "Harpoon Toggle Quick Menu" },
 
diff --git a/lua/plugins/init.lua b/lua/plugins/init.lua
index 4ffb9eb..3de1184 100644
--- a/lua/plugins/init.lua
+++ b/lua/plugins/init.lua
@@ -21,7 +21,8 @@ local plugins = {
         lazy = false,
         init = function()
             require("tokyonight").setup({
-                transparent = true,
+                -- transparent = true,
+                style = "night"
             })
             vim.cmd.colorscheme("tokyonight-night")
         end
@@ -161,6 +162,19 @@ local plugins = {
         end
     },
 
+
+    {
+        "mfussenegger/nvim-jdtls",
+        ft = "java",
+
+        config = function()
+            local config = {
+                cmd = { vim.fn.stdpath "data" .. "/mason/bin/jdtls" },
+                root_dir = vim.fs.dirname(vim.fs.find({ 'gradlew', '.git', 'mvnw' }, { upward = true })[1]),
+            }
+            require('jdtls').start_or_attach(config)
+        end,
+    },
     -- load luasnips + cmp related in insert mode only
 
     {