JAVA多线程实现-获取线程执行结果

JAVA支持有返回值的线程是在JAVA5及之后的版本。

获取线程返回值需要实现Callable接口。

具体代码如下：

import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;

public class GetResultOfThread {

	public static void main(String[] args) throws InterruptedException, ExecutionException {
		ExecutorService pool = Executors.newFixedThreadPool(3);
		
		Callable c1 = new GetResult("c1");
		Callable c2 = new GetResult("c2");
		
		Future f1 = pool.submit(c1);
		Future f2 = pool.submit(c2);
		
		System.out.println(f1.get().toString());
		System.out.println(f2.get().toString());
		
		pool.shutdown();
		
	}
	
}

class GetResult implements Callable {
	private String oid;
	
	public GetResult(String oid) {
		this.oid = oid;
	}
	
	@Override
	public Object call() throws Exception {
		// TODO Auto-generated method stub
		return oid + ":任务返回的内容";
	}

	
}