shareddata.java

东软JAVA内部资料

package org.course.thread;

public class SharedData {
	int i1 = 0;
	int i2 = 0;

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		SharedData test = new SharedData();
		test.new Thread1().start();
		test.new Thread2().start();

	}

	class Thread1 extends Thread {
		public void run() {
			while (true) {
				i1++;
				i2++;
			}
		}
	}

	class Thread2 extends Thread {
		public void run() {
			while (true) {
				if (i1 != i2) {
					System.out.println("i1=" + i1 + "  i2=" + i2);
					i1 = i2;
				}

			}
		}
	}

}