The great rename: the old ‘website’ is now ‘website-old’, and ‘website2’ is now ‘website’.

website/usageExamples/GetterLazyExample_post.jpage

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+public class GetterLazyExample {
+	private final java.util.concurrent.AtomicReference<java.lang.Object> cached = new java.util.concurrent.AtomicReference<java.lang.Object>();
+	
+	public double[] getCached() {
+		java.lang.Object value = this.cached.get();
+		if (value == null) {
+			synchronized(this.cached) {
+				value = this.cached.get();
+				if (value == null) {
+					final double[] actualValue = expensive();
+					value = actualValue == null ? this.cached : actualValue;
+					this.cached.set(value);
+				}
+			}
+		}
+		return (double[])(value == this.cached ? null : value);
+	}
+	
+	private double[] expensive() {
+		double[] result = new double[1000000];
+		for (int i = 0; i < result.length; i++) {
+			result[i] = Math.asin(i);
+		}
+		return result;
+	}
+}