import java.lang.invoke.*; class Main { void foo() throws Exception { MethodHandles.Lookup l = MethodHandles.lookup(); l.findStatic(Test.class, "method1", MethodType.methodType(void.class)); l.findStatic(Test.class, "method2", MethodType.methodType(String.class, String.class)); l.findStatic(Test.class, "method3", MethodType.methodType(String.class, String.class, String[].class)); l.findStatic(Test.class, "method1", MethodType.methodType(Test.class)); l.findStatic(Test.class, "method2", MethodType.methodType(int.class, String.class)); l.findStatic(Test.class, "method3", MethodType.methodType(String.class)); l.findVirtual(Test.class, "method1", MethodType.methodType(void.class)); l.findStatic(Test.class, "doesntExist", MethodType.methodType(String.class)); } } class Test { public static void method1() {} public static String method2(String a) {return a;} public static String method3(String a, String... b) {return a;} }