如何在JTextComponent中仅输出小数点后的特定位数? [英] How can I output only a certain number of digits after a decimal place in a JTextComponent?

问题描述

我同时使用JLabel和JTextField，并且需要在应用显示它们时将我的双精度词截断为两位小数.

I am using both JLabels and JTextFields, and need to be able to truncate my doubles to two decimal places when they are displayed by the application.

如何执行此截断，最好不切换到JFormattedTextField s?

How can I perform this truncation, preferably without switching to JFormattedTextFields?

推荐答案

您可以使用此处是解释

You can use DecimalFormat class. Here is an explanation

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