Java Uast: Initial implementation

plugins/uast-java/testData/render/ControlStructures.txt

@@ -0,0 +1,33 @@
+default class _Dummy_ {
+    default inner class ControlStructures {
+        public fun main(args: java.lang.String[]): void {
+            if (args.length === 0) {
+                return 
+            }
+            
+            var mode: String = (args.length === 1) ? ("singleArg") : ("multiArgs")
+            for (arg : args) {
+                System.out.println(arg)
+            }
+            
+            for (var i: int = 0; i < args.length; ++i) {
+                System.out.println(i + ": " + args[i])
+            }
+            
+            var i: int = 0
+            while (i < args.length) {
+                System.out.println("Index " + i)
+                i++
+            }
+            
+            i = 0
+            do {
+                System.out.println(i)
+                i += 1
+            }
+            while (i < args.length)
+            
+        }
+        
+    }
+}