How did Hamlet feel about Claudius being king?

Hamlet was deeply resentful and bitter about Claudius becoming king. He felt that Claudius had not only betrayed his father by murdering him, but also by marrying his mother Gertrude. Hamlet's disgust and anger towards Claudius were evident throughout the play, as he struggled with his desire to avenge his father's death while also coming to terms with the complexity of his emotions and the moral implications of his actions.