如何在java swing中创建3个按钮以占用它们添加到的面板的1/3？

Question

private JPanel createControlPanel() {
    JPanel ctrl = new JPanel();
    addBorder(ctrl,"Controls");
    //add 3 buttons here

    return ctrl;
    }

我想创建这3个按钮并将它们添加到ctrl

Answer 1

从文档：

GridLayout experimentLayout = new GridLayout(1,3);
compsToExperiment.setLayout(experimentLayout);

compsToExperiment.add(new JButton("Button 1"));
compsToExperiment.add(new JButton("Button 2"));
compsToExperiment.add(new JButton("Button 3"));

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