Sierpinski square curve: Difference between revisions

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@@ Line 135: / Line 135: @@
 <lang java>import java.io.*;
-public class SierpinskiSquareCurve implements AutoCloseable {
+public class SierpinskiSquareCurve {
     public static void main(final String[] args) {
-        try (SierpinskiSquareCurve s = new SierpinskiSquareCurve("sierpinski_square.svg")) {
+        try (Writer writer = new BufferedWriter(new FileWriter("sierpinski_square.svg"))) {
+            SierpinskiSquareCurve s = new SierpinskiSquareCurve(writer);
             s.currentAngle = 0;
             s.currentX = 315;
@@ Line 150: / Line 151: @@
     }
-    private SierpinskiSquareCurve(final String file) throws IOException {
+    private SierpinskiSquareCurve(final Writer writer) {
-        writer = new BufferedWriter(new FileWriter(file));
+        this.writer = writer;
     }
@@ Line 158: / Line 159: @@
         write("<rect width='100%%' height='100%%' fill='white'/>\n");
         write("<path stroke-width='1' stroke='black' fill='none' d='");
-    }
-    public void close() throws IOException {
-        writer.close();
     }