yes there's a bit of java in my nvim config why do you ask?

lua/conf/plugins/lspconfig.lua

@@ -0,0 +1,18 @@
+return { 'neovim/nvim-lspconfig',
+  disable = vim.version().minor < 8,
+  function()
+    vim.diagnostic.config {
+      virtual_text = false,
+      signs = true,
+      update_in_insert = false,
+      underline = true,
+      severity_sort = true
+    }
+
+    vim.lsp.handlers['textDocument/hover'] = vim.lsp.with(
+      vim.lsp.handlers.hover, { border = 'solid' })
+
+    vim.lsp.handlers['textDocument/signatureHelp'] = vim.lsp.with(
+      vim.lsp.handlers.signature_help, { border = 'solid' })
+  end
+}