BAEL-4143: sample usages of @SuppressWarnings warning names (#11021)

Co-authored-by: oahwin <oahwin@getcarbon.co>

core-java-modules/core-java-annotations/src/main/java/com/baeldung/annotations/ClassWithSuppressWarningsNames.java

@@ -0,0 +1,46 @@
+package com.baeldung.annotations;
+
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.List;
+
+@SuppressWarnings({"serial", "unchecked"})
+public class ClassWithSuppressWarningsNames implements Serializable {
+
+//    private static final long serialVersionUID = -1166032307853492833L;
+
+    @SuppressWarnings("unused")
+    public static void suppressBoxingWarning() {
+        int value = 5;
+        int unusedVar = 10; // no warning here
+        List<Integer> list = new ArrayList<>();
+        list.add(Integer.valueOf(value));
+    }
+
+    @SuppressWarnings("deprecated")
+    void suppressDeprecatedWarning() {
+        ClassWithSuppressWarningsNames cls = new ClassWithSuppressWarningsNames();
+        cls.deprecatedMethod(); // no warning here
+    }
+
+    @SuppressWarnings("fallthrough")
+    String suppressFallthroughWarning() {
+        int day = 5;
+        switch (day) {
+            case 5:
+                return "This is day 5";
+//            break; // no warning here
+            case 10:
+                return "This is day 10";
+//            break;
+            default:
+                return "This default day";
+        }
+    }
+
+    @Deprecated
+    String deprecatedMethod() {
+        return "deprecated method";
+    }
+
+}