Setting the Dimensions of an Item in a JList Component
By default, the width of the list is determined by the longest item
and the height is determined by the number of visible lines multiplied
by the tallest item. This example demonstrates how to override these
values.
It is also possible to set the item dimensions using a sample value:
// Create a list
String[] items = {"A", "B", "C", "D"};
JList list = new JList(items);
// Set the item width
int cellWidth = 200;
list.setFixedCellWidth(cellWidth);
// Set the item height
int cellHeight = 18;
list.setFixedCellHeight(cellHeight);
String protoCellValue = "My Sample Item Value";
list.setPrototypeCellValue(protoCellValue);
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