Comparing RealPoint constructor implementations

ConstructorPerformance.java

//
// ConstructorPerformance.java
//

public class ConstructorPerformance {
	
	public static double x = 1, y = 2, z = 3;

	public static void main(final String[] args) throws Exception {
		final int iter = 10000000;
		
		System.out.print("Timing RealPoint... ");
		final long start = System.currentTimeMillis();
		for (int i = 0; i < iter; i++) {
			new RealPointSS(x, y, z);
//			new RealPointCR(x, y, z);
		}
		final long end = System.currentTimeMillis();
		System.out.println((end - start) + " ms elapsed");
	}

	public static class RealPointSS {

		private final double[] pos;

		public RealPointSS(final double... position) {
			pos = position.clone();
		}
	}

	public static class RealPointCR {

		private final double[] pos;

		public RealPointCR(final double... position) {
			this(position, true);
		}

		protected RealPointCR(final double[] position, final boolean copy) {
			pos = copy ? position.clone() : position;
		}
	}

}