Sets.intersection消耗时间(数量:5000):0 list.retainAll 消耗时间(数量:100000):2033 Sets.intersection消耗时间(数量:10000):0 两个结果集不一样--- list.retainAll 消耗时间(数量:1):0 Sets.intersection消耗时间(数量:10):0 list.retainAll 消耗时间(数量:10):0 Sets.intersection消耗时间(数量:100):0 li...
Set<Integer> list2 =newHashSet<>(txtList2); Sets.SetView<Integer> intersection = Sets.intersection(list, list2);longend=System.currentTimeMillis(); System.out.println("guava方法耗时:"+ (end - begin)); System.out.println("交集的个数为:"+ intersection.size()); }/** * java8 stream流...
a.remove(1); // Remove location 1 a.remove("3"); // Remove this object a.set(1, "y"); // Set location 1 to "y" // Keep everything that's in the argument // (the intersection of the two sets): a.retainAll(fill(new ArrayList())); // Remove elements in this range: a....
SetView<String> intersection = Sets.intersection(primes,wordsWithPrimeLength); // intersection 包含"two", "three", "seven" return intersection.immutableCopy();//可以使用交集,但不可变拷贝的读取效率更高 并集 Set<String> wordsWithPrimeLength = ImmutableSet.of("one", "two", "three", "six", "...
Sets 1、union(Set,Set)求并集 Sets.SetView<Integer> union = Sets.union(Sets.newHashSet(1, 2, 3), Sets.newHashSet(3, 4)); System.out.println(union);//[1, 2, 3, 4] 1. 2. 2、intersection(Set,Set)求交集 Sets.SetView<Integer> intersection = Sets.intersection(Sets.newHashSet(1,...
Range可以和Guava提供的各种集合类结合使用,比如ImmutableList、Sets等。这种结合可以用于创建特定条件下的集合,或者对集合进行过滤。 比如,咱们可以使用Range来筛选集合中符合特定条件的元素: Range<Integer> validRange = Range.closed(1, 10); List<Integer> numbers = ImmutableList.of(0, 2, 5, 15, 20); ...
The AMC UI can also be used to determine which rules and rule sets an application matches, helping system administrators understand the impact of installing a particular rule set prior to physically testing it in user environments.For a summary of this feature, see Advanced Management Console ...
HyperMinHash-java - Probabilistic data structure for computing union, intersection, and set cardinality in loglog space. Persistent Collection - Persistent and immutable analogue of the Java Collections Framework. Protobuf - Google's data interchange format. RoaringBitmap - Fast and efficient compressed...
Sets.SetView<Integer> intersection = Sets.intersection(set1, set2); Joda Time 官方地址: https://www.joda.org/joda-time/ 一个日期、时间处理的工具库。如果你不是经常做日期处理,那差不多每次需要的时候都需要查询相关的 API,而有了工具类就不一样了,只要一个 “.”,你想要的方法就出现了,而 Joda...
This can be done via the -Djava.security.policy command-line argument, which sets the value of the java.security.policy property. For example, consider the following example: Copy java -Djava.security.manager -Djava.security.policy=pURL SomeApp Here, pURL is a URL specifying the location of...