importjava.util.ArrayList;运行时:
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
public class ArrayListSynchronized{
public static void main(String[] args) {
// 创建 ArrayList<字符串>synchronized
列表<字符串>slist = Collections.synchronizedList(新 ArrayList<字符串>());
//添加项到 ArrayList
slist.add(1”);
slist.add(5”);
slist.add(2”);
slist.add(7”);
System.out.println(浏览同步列表:”);
synchronized(slist) {
迭代器<字符串>迭代器 = slist.iterator();
while (iterator.hasNext())
System.out.println(iterator.next());
}
}
}
browse synchronized list:
1
5
2
7
导入 java.util.Iterator;run:
public class CopyOnWriteArrayList{
public static void main(String[] args) {
java.util.concurrent.CopyOnWriteArrayList<字符串>al =
new java.util.concurrent.CopyOnWriteArrayList<字符串>();
//在 ArrayList
al.add(notebook”);
al.add(套件”);
al.add(U盘”);
al.add(计算器”);
System.out.println(浏览同步列表:”);
迭代器<字符串>迭代器 = al.iterator();
while (iterator.hasNext())
System.out.println(iterator.next());
}
}
browse synchronized list:
notebook
kit
U盘
calculator
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