[MNG-6847] Use diamond operator

build-plugin/src/main/java/org/mvndaemon/mvnd/plugin/doc/DocMojo.java

@@ -125,7 +125,7 @@ static class SortedProperties extends Properties {
         @Override
         public synchronized Enumeration<Object> keys() {
             final Iterator<Object> it = new TreeSet<>(keySet()).iterator();
-            return new Enumeration<Object>() {
+            return new Enumeration<>() {
                 public boolean hasMoreElements() {
                     return it.hasNext();
                 }

native/src/main/java/org/mvndaemon/mvnd/nativ/MvndNativeLoader.java

@@ -262,7 +262,7 @@ private static void loadMvndNativeLibrary() throws Exception {
             return;
         }
 
-        List<String> triedPaths = new LinkedList<String>();
+        List<String> triedPaths = new LinkedList<>();
 
         // Try loading library from library.mvndnative.path library path */
         String mvndnativeNativeLibraryPath = System.getProperty("library.mvndnative.path");

native/src/main/java/org/mvndaemon/mvnd/nativ/OSInfo.java

@@ -39,7 +39,7 @@ public class OSInfo {
     public static final String PPC64 = "ppc64";
     public static final String ARM64 = "arm64";
 
-    private static final HashMap<String, String> archMapping = new HashMap<String, String>();
+    private static final HashMap<String, String> archMapping = new HashMap<>();
 
     static {
         // x86 mappings