heap memory issue, related with garbage collection
My standalone Java program displays a series of PNG files in a JFrame. Those PNG files were screen shots captured earlier with several seconds interval. There are hundreds of those PNG files.
The code is like:
//the method below is repeated called with some interval: displayPic(++count);
//so the PNG files are displayed one by one without stop -- like viewing a movie. The only problem is that after displaying about 100 PNG files, out of heap memory error occurs. If I increase heap memory: java -jar -Xmx2024m myJar.jar /pngFolder/
//I can play more PNG files, but the error still happen eventually. I hope I can do some garbage collection to really solve the problem. Thank you.
private void displayPic(final int picCount)
String pngFileNameWithPath = xxx; //get PNG file name based on int picCount
final ImageIcon imageIcon = new ImageIcon(pngFileNameWithPath);
final JLabel picLabel = new JLabel();
final JPanel picPanel = new JPanel();
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