gistfile1.java

public class App implements Runnable
{
  private static long[] longArray = {0x000000A00000000Dl, 0x0000000B000000C0l};
	
	private volatile long longValue;
	
	public App(){
	}
	
    public static void main( String[] args )
    {
        App test = new App();
        Thread t1 = new Thread(test); 
        Thread t2 = new Thread(test);
        t1.start();
        t2.start();
        
    }
    
	public void run() {
		int i = 0;
		int length = longArray.length;
		while (true) {
			longValue = longArray[i % length];
	//		System.out.println(longValue);
			i = (i < length) ? i + 1 : 0;
			
			checkValue(longValue);

		}
	}
	
	private void checkValue(long l) {
		for (int i = 0; i < longArray.length; i++) {
			if (l == longArray[i]) {
				return;
			}
		}
		System.out.println(l + "값이 다릅니다. ");
		System.exit(-1);
	}
}