feat(java): new java mappings format for which-key v3 (#4013)

## Description

Use which-key v3 format for java mappings.

`<leader>c` is removed as it is reported as a duplicate mapping in
health check.

## Related Issue(s)


## Screenshots


## Checklist

- [x] I've read the
[CONTRIBUTING](https://github.com/LazyVim/LazyVim/blob/main/CONTRIBUTING.md)
guidelines.

lua/lazyvim/plugins/extras/lang/java.lua

@@ -190,30 +190,40 @@ return {
           local client = vim.lsp.get_client_by_id(args.data.client_id)
           if client and client.name == "jdtls" then
             local wk = require("which-key")
-            wk.register({
+            wk.add({
-              ["<leader>cx"] = { name = "+extract" },
+              {
-              ["<leader>cxv"] = { require("jdtls").extract_variable_all, "Extract Variable" },
+                mode = "n",
-              ["<leader>cxc"] = { require("jdtls").extract_constant, "Extract Constant" },
+                buffer = args.buf,
-              ["gs"] = { require("jdtls").super_implementation, "Goto Super" },
+                { "<leader>cx", group = "extract" },
-              ["gS"] = { require("jdtls.tests").goto_subjects, "Goto Subjects" },
+                { "<leader>cxv", require("jdtls").extract_variable_all, desc = "Extract Variable" },
-              ["<leader>co"] = { require("jdtls").organize_imports, "Organize Imports" },
+                { "<leader>cxc", require("jdtls").extract_constant, desc = "Extract Constant" },
-            }, { mode = "n", buffer = args.buf })
+                { "gs", require("jdtls").super_implementation, desc = "Goto Super" },
-            wk.register({
+                { "gS", require("jdtls.tests").goto_subjects, desc = "Goto Subjects" },
-              ["<leader>c"] = { name = "+code" },
+                { "<leader>co", require("jdtls").organize_imports, desc = "Organize Imports" },
-              ["<leader>cx"] = { name = "+extract" },
-              ["<leader>cxm"] = {
-                [[<ESC><CMD>lua require('jdtls').extract_method(true)<CR>]],
-                "Extract Method",
               },
-              ["<leader>cxv"] = {
+            })
-                [[<ESC><CMD>lua require('jdtls').extract_variable_all(true)<CR>]],
+            wk.add({
-                "Extract Variable",
+              {
+                mode = "v",
+                buffer = args.buf,
+                { "<leader>cx", group = "extract" },
+                {
+                  "<leader>cxm",
+                  [[<ESC><CMD>lua require('jdtls').extract_method(true)<CR>]],
+                  desc = "Extract Method",
+                },
+                {
+                  "<leader>cxv",
+                  [[<ESC><CMD>lua require('jdtls').extract_variable_all(true)<CR>]],
+                  desc = "Extract Variable",
+                },
+                {
+                  "<leader>cxc",
+                  [[<ESC><CMD>lua require('jdtls').extract_constant(true)<CR>]],
+                  desc = "Extract Constant",
+                },
               },
-              ["<leader>cxc"] = {
+            })
-                [[<ESC><CMD>lua require('jdtls').extract_constant(true)<CR>]],
-                "Extract Constant",
-              },
-            }, { mode = "v", buffer = args.buf })
 
             if opts.dap and LazyVim.has("nvim-dap") and mason_registry.is_installed("java-debug-adapter") then
               -- custom init for Java debugger
@@ -223,26 +233,32 @@ return {
               -- Java Test require Java debugger to work
               if opts.test and mason_registry.is_installed("java-test") then
                 -- custom keymaps for Java test runner (not yet compatible with neotest)
-                wk.register({
+                wk.add({
-                  ["<leader>t"] = { name = "+test" },
+                  {
-                  ["<leader>tt"] = {
+                    mode = "n",
-                    function()
+                    buffer = args.buf,
-                      require("jdtls.dap").test_class({
+                    { "<leader>t", group = "test" },
-                        config_overrides = type(opts.test) ~= "boolean" and opts.test.config_overrides or nil,
+                    {
-                      })
+                      "<leader>tt",
-                    end,
+                      function()
-                    "Run All Test",
+                        require("jdtls.dap").test_class({
+                          config_overrides = type(opts.test) ~= "boolean" and opts.test.config_overrides or nil,
+                        })
+                      end,
+                      desc = "Run All Test",
+                    },
+                    {
+                      "<leader>tr",
+                      function()
+                        require("jdtls.dap").test_nearest_method({
+                          config_overrides = type(opts.test) ~= "boolean" and opts.test.config_overrides or nil,
+                        })
+                      end,
+                      desc = "Run Nearest Test",
+                    },
+                    { "<leader>tT", require("jdtls.dap").pick_test, desc = "Run Test" },
                   },
-                  ["<leader>tr"] = {
+                })
-                    function()
-                      require("jdtls.dap").test_nearest_method({
-                        config_overrides = type(opts.test) ~= "boolean" and opts.test.config_overrides or nil,
-                      })
-                    end,
-                    "Run Nearest Test",
-                  },
-                  ["<leader>tT"] = { require("jdtls.dap").pick_test, "Run Test" },
-                }, { mode = "n", buffer = args.buf })
               end
             end