// 迭代 public static List<Integer> binarySearchAllIterative(int[] arr, int target) { List<Integer> indices = new ArrayList<>(); int left = 0; int right = arr.length - 1; while (left <= right) { int mid = left + (right - left) / 2; if (arr[mid] == target) { indices.ad...
return insertSearch(arr, value, left, right); }else if(value > midValue){ /*向左递归查找*/ left = mid + 1; return insertSearch(arr, value, left, right); }else{ /*创建一个集合用于存放查找到的值的下标*/ List<Integer> indexList = new ArrayList<Integer>(); indexList.add(mid); /...
packageSearch;importjava.util.ArrayList;importjava.util.List;publicclassLinearSearch {publicstaticvoidmain(String[] args) {int[] arr={1,9,19,0,-2,9,43}; System.out.println(firstlinearSearch(arr,-2)); System.out.println(lastlinearSearch(arr,-1)); System.out.println(repeatlinearSearch(arr,...
在ArrayList 中,查找元素时的时间复杂度为 O(n)。因此,如果需要频繁地执行查找操作,ArrayList 并不适合。尽管如此,ArrayList 仍然是一个常用的数据结构,特别是在需要维护元素顺序的情况下。 importjava.util.ArrayList;publicclassLinearSearch{publicstaticvoidmain(String[]args){ArrayList<String>list=newArrayList<>()...
.collect(toCollection(ArrayList::new)); assertEquals(6, result.size());Copy It is also possible to use aforloop or an iterator: Iterator<String> it = stringsToSearch.iterator(); Set<String> matchingStrings =newHashSet<>(Arrays.asList("a","c","9")); ...
Class ArrayList<E> All Implemented Interfaces: Serializable,Cloneable,Iterable<E>,Collection<E>,List<E>,RandomAccess Direct Known Subclasses: AttributeList,RoleList,RoleUnresolvedList public classArrayList<E>extendsAbstractList<E> implementsList<E>,RandomAccess,Cloneable,Serializable ...
AbstractList,AbstractSequentialList,ArrayList,AttributeList,CopyOnWriteArrayList,LinkedList,RoleList,RoleUnresolvedList,Stack,Vector public interfaceList<E>extendsCollection<E> An ordered collection (also known as asequence). The user of this interface has precise control over where in the list each element...
publicclassMyArrayList{ publicint[] elem;//数组publicint useSize;//有效数组publicstaticint capacity =10;//可用容量publicMyArrayList(){ //使用构造方法 初始容量this.elem =newint[capacity];}} 构造函数的相关知识可以去看我写的另一篇博客：带你一分钟理解构造函数 三.顺序表的接口（常用操作）实现：//...
ArrayList Arrays ArrayStoreException ArrayType ArrayType AssertionError AsyncBoxView AsyncHandler AsynchronousCloseException AtomicBoolean AtomicInteger AtomicIntegerArray AtomicIntegerFieldUpdater AtomicLong AtomicLongArray AtomicLongFieldUpdater AtomicMarkableReference AtomicReference AtomicReferenceArray...
2.向mid索引值的左边扫描，将所有满足1000，的元素的下标，加入到集合ArrayList// 3.向mid索引值的...