Java Swing - Jtable Text Alignment And Column W... [patched]

// Left-align column index 0 (name column) – usually default, but explicit is cleaner table.getColumnModel().getColumn(0).setCellRenderer( new AlignmentRenderer(SwingConstants.LEFT) );

// Apply to entire table: table.setDefaultRenderer(Object.class, new SmartRenderer()); Java Swing - JTable Text Alignment And Column W...

A JTable is a component that displays data in a table format, with rows and columns. It is a powerful component that allows you to display large amounts of data in a compact and organized way. JTable is often used in conjunction with other components, such as JScrollPane , to provide a scrollable view of the data. // Left-align column index 0 (name column) –

public void fastAutoSizeColumns(JTable table, int sampleRowLimit) int rowCount = Math.min(table.getRowCount(), sampleRowLimit); TableColumnModel colModel = table.getColumnModel(); for (int col = 0; col < table.getColumnCount(); col++) int maxWidth = 0; for (int row = 0; row < rowCount; row++) TableCellRenderer renderer = table.getCellRenderer(row, col); Component comp = table.prepareRenderer(renderer, row, col); maxWidth = Math.max(maxWidth, comp.getPreferredSize().width); public void fastAutoSizeColumns(JTable table

column.setPreferredWidth(maxWidth + 20);

Here is an example of how to left-align, center-align, and right-align text in a JTable :