Restructures demos.

demos/java/.vscode/launch.json

@@ -0,0 +1,20 @@
+{
+	// Use IntelliSense to find out which attributes exist for C# debugging
+	// Use hover for the description of the existing attributes
+	// For further information visit https://github.com/OmniSharp/omnisharp-vscode/blob/master/debugger-launchjson.md
+	"version": "0.2.0",
+	"configurations": [
+		{
+			"type": "java",
+			"name": "CodeLens (Launch) - DemoLinkedLists",
+			"request": "launch",
+			"mainClass": "DemoLinkedLists"
+		},
+		{
+			"name": "Java - Demo",
+			"type": "java",
+			"request": "launch",
+			"projectName": "java"
+		}
+	]
+}

demos/java/.vscode/settings.json

@@ -0,0 +1,5 @@
+{
+	"java.dependency.packagePresentation": "flat",
+	"java.dependency.syncWithFolderExplorer": true,
+	"debugVisualizer.debugAdapterConfigurations": {}
+}