boolean (PsiMethod @NotNull [] superMethods, @NotNull Set<? extends PsiClassType> unhandledExceptions) { for (PsiMethod superMethod : superMethods) { PsiClassType[] referencedTypes = superMethod.getThrowsList().getReferencedTypes(); Set<PsiClassType> exceptions = new HashSet<>(unhandledExceptions); for (PsiClassType referencedType : referencedTypes) { for (PsiClassType exception : unhandledExceptions) { if (referencedType.isAssignableFrom(exception)) exceptions.remove(exception); } } if (!exceptions.isEmpty()) return true; } return false; }