多线程测试并发模拟

1. j==》b实现向线程中动态传参数

public static void main(String[] args) {

    int j = 0;
    for (j = 0; j < 20; j++) {
    final int b = j;
new Thread(new Runnable() {
@Override
public void run() {
int i = 0;
while (i<100) {
System.out.println(b+i);
i++;
}

}
}).start();
    }
}