The progress bar offers the ability to display the actual value of the bar as a percentage. This example demonstrates how to enable this display.
Note: The percentage display should not be enabled when the maximum is not known (e802 创建一个位置大小的JProgressBar组件).
// Create a horizontal progress bar
int minimum = 0;
int maximum = 100;
JProgressBar progress = new JProgressBar(minimum, maximum);
// Overlay a string showing the percentage done
progress.setStringPainted(true);
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