java SE

public staticMethod[]getDeclaredMethods(Classclazz) {

SetmethodSet= newHashSet<>();

Method[]declaredMethods;

for(; null !=clazz;clazz=clazz.getSuperclass()) {

declaredMethods=clazz.getDeclaredMethods();

for(Methodmethod:declaredMethods) {

methodSet.add(method);

}

}

returnmethodSet.toArray(newMethod[methodSet.size()]);

}