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POabout layouts in simple calculator
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copied!<p>hi there i am trying to make a calculator with coding sizes,layouts etc. by myself (trying to not use NetBeans and it is not a homework). but i am facing with a problem about empty spaces. i have a TextArea and Buttons but as you can see below i cant handle this space problem. here is my code,</p> <pre><code>import java.awt.BorderLayout; import java.awt.Color; import java.awt.FlowLayout; import java.awt.GridLayout; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JSeparator; import javax.swing.JTextArea; public class calculator extends JFrame { public calculator(){ initComponents(); } private void initComponents(){ JPanel panelScreen = new JPanel(new GridLayout(0,1)); JTextArea screen = new JTextArea(); panelScreen.add(screen); JFrame frame = new JFrame("CALCULATOR"); frame.setDefaultCloseOperation(EXIT_ON_CLOSE); JPanel panelButtons = new JPanel(new GridLayout(3,3)); JButton oneButton = new JButton("1"); panelButtons.add(oneButton); JButton twoButton = new JButton("2"); panelButtons.add(twoButton); JButton threeButton = new JButton("3"); panelButtons.add(threeButton); JButton fourButton = new JButton("4"); panelButtons.add(fourButton); JButton fiveButton = new JButton("5"); panelButtons.add(fiveButton); JButton sixButton = new JButton("6"); panelButtons.add(sixButton); JButton sevenButton = new JButton("7"); panelButtons.add(sevenButton); JButton eightButton = new JButton("8"); panelButtons.add(eightButton); JButton nineButton = new JButton("9"); panelButtons.add(nineButton); frame.getContentPane().add(panelScreen, BorderLayout.NORTH); //frame.getContentPane().add(new JSeparator(), BorderLayout.CENTER); frame.getContentPane().add(panelButtons, BorderLayout.SOUTH); frame.setBounds(50, 50, 500, 500); frame.setResizable(false); //frame.pack(); frame.setVisible(true); } public static void main(String[] args) { new calculator(); } } </code></pre> <p>and this the picture of programme;</p> <p><img src="https://i.stack.imgur.com/LaPzE.jpg" alt="enter image description here"></p> <p>i appreciate if you can help me. anyway thanks :)</p>

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