本文整理汇总了Java中java.util.concurrent.CopyOnWriteArrayList.addIfAbsent方法的典型用法代码示例。如果您正苦于以下问题：Java CopyOnWriteArrayList.addIfAbsent方法的具体用法？Java CopyOnWriteArrayList.addIfAbsent怎么用？Java CopyOnWriteArrayList.addIfAbsent使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类java.util.concurrent.CopyOnWriteArrayList的用法示例。
在下文中一共展示了CopyOnWriteArrayList.addIfAbsent方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: demo2_CopyOnWriteArrayList
import java.util.concurrent.CopyOnWriteArrayList; //导入方法依赖的package包/类
private static void demo2_CopyOnWriteArrayList() {
CopyOnWriteArrayList<String> list = new CopyOnWriteArrayList<>(Arrays.asList("Five", "Six", "Seven"));
System.out.println();
System.out.println("list: " + list);
System.out.println("Calling list.addIfAbsent(One)...");
list.addIfAbsent("One");
System.out.println("list: " + list);
}
示例2: testAddIfAbsent
import java.util.concurrent.CopyOnWriteArrayList; //导入方法依赖的package包/类
/**
* addIfAbsent will not add the element if it already exists in the list
*/
public void testAddIfAbsent() {
CopyOnWriteArrayList full = populatedArray(SIZE);
full.addIfAbsent(one);
assertEquals(SIZE, full.size());
}
示例3: testAddIfAbsent2
import java.util.concurrent.CopyOnWriteArrayList; //导入方法依赖的package包/类
/**
* addIfAbsent adds the element when it does not exist in the list
*/
public void testAddIfAbsent2() {
CopyOnWriteArrayList full = populatedArray(SIZE);
full.addIfAbsent(three);
assertTrue(full.contains(three));
}