add util

hutool-core/src/test/java/cn/hutool/core/lang/func/LambdaUtilTest.java

@@ -0,0 +1,19 @@
+package cn.hutool.core.lang.func;
+
+import lombok.Data;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class LambdaUtilTest {
+
+	@Test
+	public void getMethodNameTest(){
+		String methodName = LambdaUtil.getMethodName(MyTeacher::getAge);
+		Assert.assertEquals("getAge", methodName);
+	}
+
+	@Data
+	static class MyTeacher{
+		public String age;
+	}
+}