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| public class TestBufferedImage {
public static void main(String[] args) {
String filename = "D:/digestion.JPG";
BufferedImage[] images = new BufferedImage[5];
int index = 0;
try {
traceMem("Start");
for (int i = 0; i < images.length; ++i) {
images[i] = ImageIO.read(new File(filename));
traceMem("Image "+i+" created");
}
index= 0;
for (int i = 0; i < 100; ++i) {
images[index] = ImageIO.read(new File(filename));
index++;
index %= images.length;
if (index == 0)
traceMem("i="+i);
}
for (int i = 0; i < images.length; ++i) {
images[i]=null;
}
System.gc();
System.gc();
System.gc();
traceMem("===>");
index= 0;
for (int i = 0; i < 100; ++i) {
images[index] = ImageIO.read(new File(filename));
index++;
index %= images.length;
if (index == 0)
traceMem("i="+i);
}
for (int i = 0; i < images.length; ++i) {
images[i]=null;
}
System.gc();
System.gc();
System.gc();
traceMem("===>");
} catch (IOException e) {
e.printStackTrace();
}
}
private static void traceMem(String msg) {
Runtime rt = Runtime.getRuntime();
System.out.println(msg+" : "+(rt.totalMemory()-rt.freeMemory()));
}
} |
