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並前往https://www.quora.com/How-can-I-use-JTextField-to-get-two-numbers-from-a-user-and-show-the-sum-on-a-JLabel-Java

How to use JTextField to get two numbers from a user ... - Quora

This might work, give it a try. myLabel.setText(String.valueOf(Integer.ValueOf(field1.getText()) + Integer.valueOf(field2.getText()))

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