Diagnostics, implementation and definition tools (WIP)

test/resources/repos/java/test_repo/src/main/java/test_repo/ConsoleGreeter.java

@@ -0,0 +1,8 @@
+package test_repo;
+
+public class ConsoleGreeter implements Greeter {
+    @Override
+    public String formatGreeting(String name) {
+        return "Hello, " + name + "!";
+    }
+}

test/resources/repos/java/test_repo/src/main/java/test_repo/DiagnosticsSample.java

@@ -0,0 +1,13 @@
+package test_repo;
+
+public class DiagnosticsSample {
+    public static String brokenFactory() {
+        return missingGreeting;
+    }
+
+    public static void brokenConsumer() {
+        String value = brokenFactory();
+        System.out.println(value);
+        System.out.println(missingConsumerValue);
+    }
+}

test/resources/repos/java/test_repo/src/main/java/test_repo/Greeter.java

@@ -0,0 +1,5 @@
+package test_repo;
+
+public interface Greeter {
+    String formatGreeting(String name);
+}

test/resources/repos/java/test_repo/src/main/java/test_repo/Main.java

@@ -6,6 +6,8 @@ public class Main {
         Model model = new Model("Cascade");
         System.out.println(model.getName());
         acceptModel(model);
+        Greeter greeter = new ConsoleGreeter();
+        System.out.println(greeter.formatGreeting("Cascade"));
     }
     public static void acceptModel(Model m) {
         // Do nothing, just for LSP reference