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The following example demonstrates how to use collection.add() of the Collections class to add data and use collection.size() to calculate the length of the collection: /* author by w3cschool.cc Main.java */import java.util.*;public class Main { public static void main(String [] args) { System.out.println( "Collection instance!\n"&nb
1. Java instance - Collection length
Introduction:
2. LINQ-to-SQL things~Using reflection in LINQ-to-SQL environment Implementing Ado.net's CU
Introduction: Back to the directory The CURD operation provided by linq to sql gives us the feeling that it is simple, easy to use, and more object-oriented. There is no need to spell out SQL statements. These benefits all mean that when processing a single entity or the collection length is small, if there is a collection entity of 1000 items and you want to perform an update operation, if you also use the update of linq to sql.
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