Java Utililty Methods Reflection Method Name

for (Method m : clazz.getMethods())
    if (m.getName().equals(name) && (args.length == 0 || ClassListEqual(args, m.getParameterTypes()))) {
        m.setAccessible(true);
        return m;
return null;

try {
    return Optional.of(clazz.getMethod(name, params));
} catch (NoSuchMethodException ignored) {
try {
    return Optional.of(clazz.getDeclaredMethod(name, params));
} catch (NoSuchMethodException ignored) {
return Optional.empty();

do {
    for (Method method : clazz.getDeclaredMethods()) {
        if (method.getName().equals(name) && (method.getParameterTypes().length == paramlength)) {
            return setAccessible(method);
} while ((clazz = clazz.getSuperclass()) != null);
throw new RuntimeException("Can't find method " + name + " with params length " + paramlength);
...

try {
    Method[] methods = clazz.getDeclaredMethods();
    for (Method method : methods) {
        for (String methodName : names) {
            if (method.getName().equalsIgnoreCase(methodName)) {
                method.setAccessible(true);
                return method;
} catch (Exception e) {
    throw e;
return null;

return getMethod(cls, name, new Class[0]);

NoSuchMethodException firstExc = null;
for (Class<?> c = cls; c != null; c = c.getSuperclass()) {
    try {
        return c.getDeclaredMethod(name);
    } catch (NoSuchMethodException e) {
        if (firstExc == null) {
            firstExc = e;
throw firstExc;

Method method = null;
while (method == null && cls != null) {
    try {
        method = cls.getDeclaredMethod(name, types);
    } catch (NoSuchMethodException ignored) {
        cls = cls.getSuperclass();
if (method == null)
    throw new NoSuchMethodException();
return method;

try {
    return clss.getMethod(name, params);
} catch (NoSuchMethodException e) {
    fatal("Method " + name + " does not exist", e);
    return null;

return clz.getMethod("get" + name);

try {
    return klass.getMethod(methodName);
} catch (Exception e) {
    throw new RuntimeException(e);