我写了一个这样的工人阶级:
public final class Worker
{
private static final int LOOP_COUNT = 10;
private static final int COMPUTE_COUNT = 1000;
private static final Random RANDOM = new Random();
private static final int BUFFER_SIZE = 4;
/**
* do a little bit of calculation and
我的程序是这样的:
public class Main {
private static ArrayList<T> list;
public static void main(String[] args) {
new DataListener().start();
new DataUpdater().start();
}
static class DataListener extends Thread {
@Override
public void run() {
假设我们有一个对象,它的方法/字段在"this“上同步。这个问题实际上是关于" This“的,因为我想我很难理解"this”指的是什么。
所以我们的对象是:
class A {
private Field a;
private Field b;
public synchronized void doSomething() {
//something with a
}
public synchronized void somethingElse() {
//do something as with b
来自NLTK WordNet API:
>>> from nltk.corpus import wordnet as wn
>>> for i in wn.synsets('discover'):
... print i, i.offset
...
Synset('detect.v.01') 2154508
Synset('learn.v.02') 598954
Synset('discover.v.03') 1637982
Synset('discover.v.04'
我在Java中使用二维数组.但是现在,我想把这个类用于多线程。我怎么能这么做?
我知道如何执行线程安全函数(添加同步关键字)。如果同时触发clear和getItem函数,会发生什么?在这种情况下,我怎样才能保证螺纹安全?
public class ThreadSafeArray {
int ROW_MAX_COUNT = 1024;
int rowCount = 0;
int counterForRow = 0;
private Object [][] objInstances = new Object[ROW_MAX_COUNT][];
publi
我有A班和B班。
public class A() {
private static List<int> list = new ArrayList<int>();
public static List<int> getList() {
return list;
}
}
public class B() {
public void foo() {
synchronized(A.getList()) {
// DO Stuff
}
}
}
在我