Java Code Examples for java.util.concurrent.ConcurrentHashMap.contains()

The following are Jave code examples for showing how to use contains() of the java.util.concurrent.ConcurrentHashMap class. You can vote up the examples you like. Your votes will be used in our system to get more good examples.
Example 1
Project: openjdk-jdk10   File: ConcurrentHashMapTest.java   Vote up 6 votes
/**
 * contains(null) throws NPE
 */
public void testContains_NullPointerException() {
    ConcurrentHashMap c = new ConcurrentHashMap(5);
    try {
        c.contains(null);
        shouldThrow();
    } catch (NullPointerException success) {}
}