import java.util.ArrayList;
import java.util.List;
import mons.lang.ArrayUtils;
public class Test_4 {
/**
* 多线程处理list
*
* @param data 数据list
* @param threadNum 线程数
*/
public synchronized void handleList(List data, int threadNum) {
int length = data.size();
int tl = length % threadNum == 0 ? length / threadNum : (length
/ threadNum + 1);
for (int i = 0; i < threadNum; i++) {
int end = (i + 1) * tl;
HandleThread thread = new HandleThread("线程[" + (i + 1) + "] ", data, i * tl, end > length ? length : end);
thread.start();
}
}
class HandleThread extends Thread {
private String threadName;
private List data;
private int start;
private int end;
public HandleThread(String threadName, List data, int start, int end) {
this.threadName = threadName;
this.data = data;
this.start = start;
this.end = end;
}
public void run() {
//这里处理数据
List subList = data.subList(start, end);
for(int a=0; a
System.out.println(threadName+"处理了 "+subList.get(a)+" ！");
//System.out.println(threadName+"处理了"+subList.size()+"条！");
}
}
}
public static void main(String[] args) {
Test_4 test = new Test_4();
// 准备数据
List data = new ArrayList();
for (int i = 0; i < 1517; i++) {
data.add("item" + i);
}
test.handleList(data, 6);
System.out.println(ArrayUtils.toString(data));
}
}
