feat(lsp/java): add more snippets

lsp/java/src/main/assets/data/editor/java/snippets.local.json

@@ -72,5 +72,32 @@
       "\t$0",
       "}"
     ]
+  },
+  "new_object": {
+    "desc": "Create a new object",
+    "body": [
+      "${1:Object} ${2:foo} = new $1($3);",
+      "$0"
+    ]
+  },
+  "trycatch": {
+    "desc": "A try-catch statement",
+    "body": [
+      "try {",
+      "\t$0",
+      "} catch(${1:Exception} ${2:err}) {",
+      "\t",
+      "}"
+    ]
+  },
+  "tryresources": {
+    "desc": "A try-with-resources statement",
+    "body": [
+      "try ($1) {",
+      "\t$0",
+      "} catch(${2:Exception} ${3:err}) {",
+      "\t",
+      "}"
+    ]
   }
 }

lsp/java/src/main/assets/data/editor/java/snippets.member.json

@@ -0,0 +1,54 @@
+{
+  "const": {
+    "desc": "Create a constant field",
+    "body": [
+      "public static final ${1:type} ${2/(.*)/${1:/upcase}/} = ${3:value};"
+    ]
+  },
+  "ctor": {
+    "desc": "Public constructor",
+    "body": [
+      "public "
+    ]
+  },
+  "public_method": {
+    "desc": "Create a new public method",
+    "body": [
+      "public ${1:void} ${2:method}(${3:params}) {",
+      "\t$0",
+      "}"
+    ]
+  },
+  "protected_method": {
+    "desc": "Create a new protected method",
+    "body": [
+      "protected ${1:void} ${2:method}(${3:params}) {",
+      "\t$0",
+      "}"
+    ]
+  },
+  "private_method": {
+    "desc": "Create a new private method",
+    "body": [
+      "private ${1:void} ${2:method}(${3:params}) {",
+      "\t$0",
+      "}"
+    ]
+  },
+  "public_static_method": {
+    "desc": "Create a new public static method",
+    "body": [
+      "public static ${1:void} ${2:method}(${3:params}) {",
+      "\t$0",
+      "}"
+    ]
+  },
+  "private_static_method": {
+    "desc": "Create a new private stataic method",
+    "body": [
+      "private static ${1:void} ${2:method}(${3:params}) {",
+      "\t$0",
+      "}"
+    ]
+  }
+}