method simulates the playing of one round of “Rock Paper Scissors”. In this strange version of the game, if both players have the same hand gestures, the return value is 1. If they have different hand gestures, the return value is a 0. If at least one player, provides a string argument that is anything other than rock, paper, or scissors, the return value is -1. The method should not be case-sensitive. For example,  rock, ROCK, Rock, and RocK are all valid. The output is in the image I added

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Methods of StringBuilder class

The StringBuilder class can be used to create mutable strings. The methods defined in the StringBuilder class are widely used to manipulate and concatenate strings. It is a non-synchronized class which has public methods that can be accessed by multiple threads. It is not thread-safe.