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

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Example 1
Project: openjdk-jdk10   File:   View Source Code Vote up 6 votes
 * reduceValuesInParallel accumulates across all values
public void testReduceValuesInParallel() {
    ConcurrentHashMap<Long, Long> m = longMap();
    Long r;
    r = m.reduceValues(1L, (Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue()));
    assertEquals((long)r, (long)SIZE * (SIZE - 1));