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How do I add a JProgressBar inside a JTable cell?


A JTable registers default renderers for a Number, Date, ImageIcon, Boolean and Object. If you want to render another component, you have to create a custom class that implements TableCellRenderer and register it with the method setDefaultRenderer on the JTable object.

The following example creates a JTable where every row displays data from a Download object. A download object is a thread that mimics the behavior of downloading a file by increasing the number of downloaded bytes (progress) with a random value. Using the Observable-Observer pattern, the download object notifies the table model whenever the progress of downloading has changed.

Main.java:

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Further Information
Author of answer: Joris Van den Bogaert

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