Refactored code to use generic methods and use streams. (#10052)

core-java-modules/core-java-reflection-2/src/main/java/com/baeldung/reflection/check/staticmethods/StaticUtility.java

@@ -0,0 +1,19 @@
+package com.baeldung.reflection.check.staticmethods;
+
+import java.time.LocalDate;
+import java.time.LocalTime;
+
+public class StaticUtility {
+
+    public static String getAuthorName() {
+        return "Umang Budhwar";
+    }
+
+    public static LocalDate getLocalDate() {
+        return LocalDate.now();
+    }
+
+    public static LocalTime getLocalTime() {
+        return LocalTime.now();
+    }
+}

core-java-modules/core-java-reflection-2/src/test/java/com/baeldung/reflection/check/staticmethods/StaticUtilityUnitTest.java

@@ -0,0 +1,30 @@
+package com.baeldung.reflection.check.staticmethods;
+
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+class StaticUtilityUnitTest {
+
+    @Test
+    void whenCheckStaticMethod_ThenSuccess() throws Exception {
+        Method method = StaticUtility.class.getMethod("getAuthorName", null);
+        Assertions.assertTrue(Modifier.isStatic(method.getModifiers()));
+    }
+
+    @Test
+    void whenCheckAllStaticMethods_thenSuccess() {
+        List<Method> methodList = Arrays.asList(StaticUtility.class.getMethods())
+          .stream()
+          .filter(method -> Modifier.isStatic(method.getModifiers()))
+          .collect(Collectors.toList());
+        Assertions.assertEquals(3, methodList.size());
+    }
+
+}