Xorshift and xorshift+ implementation in Java

Xorshift.java

public class Xorshift {

	private long x = 123456789;
	private long y = 362436069;
	private long z = 521288629;
	private long w = 88675123;

	public long random() {
		long t = x ^ ((x << 11) & 0xFFFFFFFFL);  // 32bit
		x = y;
		y = z;
		z = w;
		w ^= (w >>> 19) ^ t ^ (t >>> 8);
		return w;
	}

	public static void main(String[] args) {

		Xorshift rng = new Xorshift();

		for (int i = 0; i < 10; i++) {
			System.out.println(rng.random());
		}

	}

}

XorshiftPlus.java

public class XorshiftPlus {

	private long s0 = 1;
	private long s1 = 2;

	public long random() {
		long x = s0;
		long y = s1;
		x ^= x << 23;
		x ^= (x >>> 17) ^ y ^ (y >>> 26);
		s0 = y;
		s1 = x;
		return s0 + s1;
	}

	public static void main(String[] args) {

		XorshiftPlus rng = new XorshiftPlus();

		for (int i = 0; i < 10; i++) {
			System.out.println(rng.random());
		}

	}

}