Setup java environment

lua/configs/conform.lua

@@ -1,6 +1,7 @@
 local options = {
   formatters_by_ft = {
     lua = { "stylua" },
+    java = { "java" },
   },
 
   format_on_save = {

lua/configs/lspconfig.lua

@@ -1,4 +1,4 @@
 require("nvchad.configs.lspconfig").defaults()
 
-local servers = { "html", "cssls" }
+local servers = { "html", "cssls", "jdtls" }
 vim.lsp.enable(servers)

lua/configs/treesitter.lua

@@ -1,5 +1,5 @@
 return {
-  ensure_installed = { "lua", "luadoc", "printf", "vim", "vimdoc" },
+  ensure_installed = { "lua", "luadoc", "printf", "vim", "vimdoc", "java" },
 
   highlight = {
     enable = true,

lua/mappings.lua

@@ -5,3 +5,12 @@ local map = vim.keymap.set
 map("n", ";", ":", { desc = "CMD enter command mode" })
 map("i", "jk", "<ESC>")
 map("n", "<leader>cd", ":cd ..<CR>", { desc = "Go to parent directory" })
+map("n", "<leader>ca", vim.lsp.buf.code_action, { desc = "LSP code action" })
+map("v", "<leader>ca", vim.lsp.buf.code_action, { desc = "LSP code action" })
+map("n", "<leader>j", function()
+  vim.diagnostic.jump { count = 1 }
+end, { desc = "Go to next diagnostic" })
+
+map("n", "<leader>k", function()
+  vim.diagnostic.jump { count = -1 }
+end, { desc = "Go to previous diagnostic" })

lua/plugins/init.lua

@@ -28,10 +28,15 @@ return {
       return conf
     end,
   },
+
   {
     "nvim-treesitter/nvim-treesitter",
     opts = {
       require "configs.treesitter",
     },
   },
+
+  {
+    require "plugins.java.init",
+  },
 }

lua/plugins/java/init.lua

@@ -0,0 +1,45 @@
+return {
+  "nvim-java/nvim-java",
+  dependencies = {
+    {
+      "neovim/nvim-lspconfig",
+      opts = {
+        servers = {
+          jdtls = {
+            settings = {
+              java = {
+                configuration = {
+                  runtimes = {
+                    {
+                      name = "JavaSE-21",
+                      path = "/usr/local/sdkman/candidates/java/current",
+                    },
+                  },
+                },
+              },
+            },
+          },
+        },
+        setup = {
+          jdtls = function()
+            require("java").setup {
+              jdk = {
+                auto_install = false,
+              },
+              root_markers = {
+                "settings.gradle",
+                "settings.gradle.kts",
+                "pom.xml",
+                "build.gradle",
+                "mvnw",
+                "gradlew",
+                "build.gradle",
+                "build.gradle.kts",
+              },
+            }
+          end,
+        },
+      },
+    },
+  },
+}