class SynchronizedName {
	private Object read = new Object();
	private static Object READ = new Object();
	
	void test1() {
		synchronized (this.read) {
			System.out.println("one");
		}
	}
	void test4() {
		synchronized (SynchronizedName.READ) {
			System.out.println("four");
		}
	}
	void test5() {
		synchronized (this.read) {
			System.out.println("five");
		}
	}
}