добавлены методы поиска полей по аннотации

src/test/java/ru/dmitriymx/reflection/ReflectionObjectTest.java

@@ -86,6 +86,20 @@ public class ReflectionObjectTest {
         ReflectionMethod refSetter = refField.setter();
         assertNotNull(refSetter);
     }
+
+    @Test
+    public void fieldsWithAnnotation() {
+        ReflectionObject refObj = new ReflectionObject(new SomeObject());
+
+        List<ReflectionField> list = refObj.fieldsWithAnnotation(SomeAnnotation.class);
+        assertEquals(1, list.size());
+
+        ReflectionField refField = list.get(0);
+        assertEquals("someIntField", refField.name());
+
+        SomeAnnotation annotation = refField.annotation(SomeAnnotation.class);
+        assertNotNull(annotation);
+    }
     //endregion
 
     //region Method tests

src/test/java/ru/dmitriymx/reflection/SomeAnnotation.java

@@ -0,0 +1,12 @@
+package ru.dmitriymx.reflection;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Target(ElementType.FIELD)
+@Retention(RetentionPolicy.RUNTIME)
+public @interface SomeAnnotation {
+
+}

src/test/java/ru/dmitriymx/reflection/SomeObject.java

@@ -5,6 +5,8 @@ class SomeObject {
     private static final int MAGIC_NUMBER = 33;
     private final String finalizedField = "value123";
     private String simpleField = "defaultValue";
+
+    @SomeAnnotation
     private int someIntField;
 
     public String getSimpleField() {