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Hold variable display problem in swing jlable

Source: Internet
Author: User
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Java Swing learning in a small case of ATM system, encountered jlable storage variables, variables change, and jlable still show the original value, online search for answers, with UpdateUI () and revalidate (); Methods are not used, the original solution to this problem, you need to set the jlable of the variables to global variables. ATM machine code

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Hold variable display problem in swing jlable

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