Completely reworked the tests

src/test/resources/java/BestPractices.java

@@ -0,0 +1,50 @@
+/*
+ *  Copyright 2023 the original author or authors.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *   you may not use this file except in compliance with the License.
+ *   You may obtain a copy of the License at
+ *
+ *       https://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+package java;/**
+ * BestPractices class
+ *
+ * @author <a href="https://erik.thauvin.net/">Erik C. Thauvin</a>
+ * @since 1.0
+ */
+public class BestPractices {
+    private final String ip = "127.0.0.1";     // not recommended
+    private StringBuffer buffer;    // potential memory leak as an instance variable;
+    private String[] x;
+
+    void bar(int a) {
+        switch (a) {
+            case 1:  // do something
+                break;
+            default:  // the default case should be last, by convention
+                break;
+            case 2:
+                break;
+        }
+    }
+
+    public void foo(String[] param) {
+        // Don't do this, make a copy of the array at least
+        this.x = param;
+    }
+
+    private void greet(String name) {
+        name = name.trim();
+        System.out.println("Hello " + name);
+    }
+
+
+}