本文整理了Java中it.unimi.dsi.fastutil.ints.IntSet.retainAll()方法的一些代码示例，展示了IntSet.retainAll()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。IntSet.retainAll()方法的具体详情如下：
包路径：it.unimi.dsi.fastutil.ints.IntSet
类名称：IntSet
方法名：retainAll

IntSet.retainAll介绍

暂无

代码示例

代码示例来源：origin: mezz/JustEnoughItems

/**
 * Efficiently get the elements contained in both sets.
 * Note that this implementation will alter the original sets.
 */
private static IntSet intersection(IntSet set1, IntSet set2) {
  if (set1.size() > set2.size()) {
    set2.retainAll(set1);
    return set2;
  } else {
    set1.retainAll(set2);
    return set1;
  }
}

代码示例来源：origin: org.datavec/datavec-dataframe

public Selection apply(Table relation) {
    IntColumn intColumn = (IntColumn) relation.column(columnReference.getColumnName());
    IntSet firstSet = intColumn.asSet();
    firstSet.retainAll(filterColumn.data());
    return intColumn.select(firstSet::contains);
  }
}