jframe gridlayout border code example
Example: jframe gridlayout
GridLayout experimentLayout = new GridLayout(0,2);
...
compsToExperiment.setLayout(experimentLayout);
compsToExperiment.add(new JButton("Button 1"));
compsToExperiment.add(new JButton("Button 2"));
compsToExperiment.add(new JButton("Button 3"));
compsToExperiment.add(new JButton("Long-Named Button 4"));
compsToExperiment.add(new JButton("5"));