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POHow to Remove white space in a JFrame
 

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  1. POHow to Remove white space in a JFrame
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    <p>I am developing a GUI in Java. I have several questions that I am looking to get help with, hope fully some of you can help.</p> <p>You might need the below image:</p> <p><img src="https://i.stack.imgur.com/LzNmt.png" alt="enter image description here"></p> <p>1.. The space between entry's: I want it removed. Right now, each entry is a JPanel with a GridLayout of 2,1. Each row has another JPanel (line1 and line2). By default, line 2 is hidden and should only show when the edit button is clicked, then hide when clicked again. I can change the visibility using setVisible(). But it creates that large space.</p> <p><em>[SOLVED]</em> 2.. Line2 has a FlowLayout, how can I get it to left align?</p> <p>3.. Each entry is class (called a "Preset") and is stored in a class variable array called "presetListing". When I click the new branch button, I create a new array with +1 capacity, transfer all the old Presets in and create a new Preset in the last space. What do I need to do to get the new entry to show up in the GUI? I tried adding it to the JPanel and then validate(), didn't work. </p> <p>Hopefully someoene out there will be able to help me, thanks in advance! </p> <p>EDIT: Here is the code from #3:</p> <pre><code>private void newBranch(){ Preset[] tempBranches = new Preset[branches.length + 1]; for (int i = 0; i &lt; branches.length; i++){ tempBranches[i] = branches[i]; } tempBranches[branches.length] = new Preset(); branches = tempBranches; pane = new JPanel(); pane.setLayout(new GridLayout(branches.length, 1)); for (int i = 0; i &lt; branches.length; i++){ pane.add(branches[i]); } scroller = new JScrollPane(pane); this.add(scroller, BorderLayout.CENTER); this.repaint(); this.validate(); } </code></pre>
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    1. CO#1 I reckon you would need a finer grid. #2 It would probably be best to use a borderlayout-manager instead of a flowmanager. #3 You will need to show us some of your code so we can review it.
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    2. CO`GridLayout` makes each component the same size. `GridBagLayout` would be more flexible.
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    3. COWhat do you mean by finer grid? Your Solution to #2 worked, Thank you very much! I will find the code now.
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