收集面试题（六）

线程传递值：

public class TestThread {

	public static void main(String[] args) {

		MyThread t = new MyThread(new Work());
		t.start();
	}
}

class Data {

	private int data = 0;

	public int getData() {
		return data;
	}

	public void setData(int data) {
		this.data = data;
	}

}

class Work {

	public void traceProcess(Data data, int... nums) {

		for (int i : nums) {
			data.setData(data.getData() + i);
		}
	}
}

class MyThread extends Thread {

	private Work work = null;

	public MyThread(Work work) {
		this.work = work;
	}

	@Override
	public void run() {

		Random random = new Random();

		Data data = new Data();

		int n1 = random.nextInt(1000);

		int n2 = random.nextInt(2000);

		int n3 = random.nextInt(3000);

		work.traceProcess(data, n1, n2, n3);

		System.out.println("n1: " + n1 + " n2: " + n2 + " n3: " + n3
				+ " data: " + data.getData());
	}

}