java的Array和Collection publicclassMyCode1 {publicstaticvoidmain(String[] args) {char[] array1 = { 'B', 'C', 'A'}; Arrays.sort(array1); System.out.println(array1); Character[] array2= { 'B', 'C', 'A'}; List<Character> list2 =newArrayList<Character>(Arrays.asList(array2));...
publicclassarrayToSet{publicstaticvoidmain(String[] args){/** * Array数组类型转为Set类型集合 * 需要Array->List->Set */String[] strs =newString[]{"a","b","c"}; Set<String> set =newHashSet<>(Arrays.asList(strs));/** * Set转为Array和List转为Array原理相同 */strs = set.toArr...
// 如果新容量大于 MAX_ARRAY_SIZE,进入(执行) `hugeCapacity()` 方法来比较 minCapacity 和 MAX_ARRAY_SIZE, //如果minCapacity大于最大容量,则新容量则为`Integer.MAX_VALUE`,否则,新容量大小则为 MAX_ARRAY_SIZE 即为 `Integer.MAX_VALUE - 8`。 if (newCapacity - MAX_ARRAY_SIZE > 0) newCapacity...
1packagecom.ning;23importjava.util.*;45publicclassDemo04{67publicstaticvoidmain(String[]args){8// TODO Auto-generated method stub9List list=newArrayList();//创建集合对象10int i=(int)(Math.random()*(list.size()-1));//获得0-2之间的随机数11list.add("a");//向集合中添加元素12list.add...
,快速、节省空间 矩阵运算,无需循环,可完成类似Matlab中的矢量运算 线性代数、随机数生成 ndarray,N维数组对象(矩阵) 所有元素必须是相同类型 ndim属性,维度个数 shape...属性,各维度大小 dtype属性,数据类型 创建ndarray np.array(collect...
= null && a != null && lo >= 0 && lo <= hi && hi <= a.length; int nRemaining = hi - lo; if (nRemaining < 2) return; // Arrays of size 0 and 1 are always sorted // If array is small, do a "mini-TimSort" with no merges if (nRemaining < MIN_MERGE) { int init...
Clean fpath (the array $fpath is not being used to add completions and autoload functions, hence it stays concise, not bloated) Services ↔ a single-instance, background plugins Also, in general: all the mechanisms from the ZSH Plugin Standard – Zinit is a reference implementation of the...
final java.lang.Integer getVersionFinal() Getter for the version. java.lang.Object put(String key, Object value) Deprecated as of Deps version 0.7.1, please use putFinal(String key, Object value) Add a single new entry in the TwinCollection. void putAll(Map<? extends String,?>...
從目標陣列的指定索引開始,將整個 Collection<T> 複製到相容的一維 Array。 Equals(Object) 判斷指定的物件是否等於目前的物件。 (繼承來源 Object) GetEnumerator() 傳回逐一查看 Collection<T>的列舉值。 GetHashCode() 做為預設哈希函式。 (繼承來源 Object) GetType() 取得目前實例的 Type。 (繼承來源...
AbstractList add, add, addAll, clear, equals, hashCode, iterator, lastIndexOf, listIterator, listIterator, remove, removeRange, set, subList Methods inherited from class java.util.AbstractCollection addAll, contains, containsAll, remove, removeAll, retainAll, toArray, t...