js| Program
JavaScript applications are very extensive, and very powerful, but JavaScript program is no Java code good-looking, this is good, but because the JS application is too wide, in the Web application almost inseparable from it, I am
According to the keyword based on the sorting method, there are MSD and LSD two kinds of schemes. Among them, the LSD scheme is very special, suitable for multiple keywords, only through the allocation and collection can complete the sorting.
LSD
Vector Introduction
Vector is also based on the array, is a dynamic array, its capacity can automatically grow.
LinkedList is JDK1.0 introduced, many of its implementation methods are added to the synchronization statements, so it is thread-safe
Use of the vector of Java (i):
Generally in the need to have a number of elements in a collection of time to use, to help the document, read the words to take it, should be able to meet you.
Java.util class Vectorboolean Add (E o)
Appends the
In the previous chapter, we learned about the collection architecture. Beginning with this chapter, we explain the specific implementation classes of collection, first, the list, and the list of ArrayList is most commonly used. Therefore, we explain
All the contents of the sink about HBase are under the Org.apache.flume.sink.hbase package.
Each sink includes its own custom, all extends Abstractsink implements configurable.
First, the Configure (context) method. The method is initialized to
Introduction: TreeMap and TreeSet are two important members of the Java Collection Framework, where TreeMap is a common implementation class for the Map interface, and TreeSet is a common implementation class for Set interfaces. Although the
After learning ArrayList and LinkedList, we went on to study vector. Learning the same way as before, the vector has a general understanding, and then learn its source, and finally through the example to learn to use it.
Part 1th Vector
is a variable-length array implementation of the list interface. Implements all the list interface operations and allows the storage of null values. In addition to not synchronizing, ArrayList is basically equivalent to vector. Almost all methods
The following table (table I) summarizes all the things you can do with a set (you can do the same thing with set and list, although the list also provides some extra functionality). The map is not inherited from collection, so it should be treated
In this chapter, we learn about TreeSet.We first have a general understanding of TreeSet, and then learn its source, and finally through the example to learn to use TreeSet.
The 1th part TreeSet introduction
TreeSet Introduction
TreeSet is an
1.ArrayList Method Summary
Construction Method Summary
ArrayList () constructs an empty list with an initial capacity of 10. ArrayList (collection c) Constructs a list of elements that contain the specified Collection that are listed in the
List of departments to select: selected Department list:
Safety and Environmental Protection Department Safety and Environmental Protection Office Newspaper Purchasing Department director's Office Stamping Factory Technical Section Party
Import java.util.LinkedList;
Import Java.util.Random; Class num{private int pos1 public int getPos1 () {return pos1;} public void setPos1 (int pos1) {this.pos1 = POS1;} pub LIC int GetPos10 () {return POS10.} public void SetPos10 (int pos10)
ArrayList Introduction
ArrayList is based on the array, is a dynamic array, its capacity can automatically grow, similar to the C language Dynamic application memory, dynamic growth of memory.
ArrayList is not thread-safe and can only be used in a
This article introduced the jquery multi-selection box mutual exchange of instance code, the need for friends can refer to the
copy code code as follows:
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