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Getting User Input With a JOptionPane and Validating It Using Java (Simple) Greetings, today we shall be looking at how to get user input using a Java JOptionPane, how to print that user input to the screen and how to validate the user input using a function. This tutorial works with all other Java validation tutorials I have posted, as they ...

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跳转到 How to Verify User Input in Java as a String 的关键时刻

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