import java.util.ArrayList;
import java.util.List;
import org.apache.commons.lang3.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<string> data, int threadNum) {</string>
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<string> data;</string>
private int start;
private int end;
public HandleThread(String threadName, List<string> data, int start, int end) {</string>
this .threadName = threadName;
this .data = data;
this .start = start;
this .end = end;
}
public void run() {
// TODO 这里处理数据
data.subList(start, end).add( "^&*" );
System.out.println(threadName)
}
}
public static void main(String[] args) {
Test_4 test = new Test_4();
// 准备数据
List<string> data = new ArrayList<string>();</string></string>
for ( int i = 0 ; i < 5000 ; i++) {
data.add( "item" + i);
}
test.handleList(data, 5 );
System.out.println(ArrayUtils.toString(data));
}
}


