To get or set the element at the specified index in StringCollection, the code is as follows −Example Live Demousing System; using System.Collections.Specialized; public class Demo {    public static void Main() {       StringCollection strCol = new StringCollection();       String[] strArr = new String[] { "A", ... Read More

Let us first create a table −mysql> create table DemoTable1460    -> (    -> Name varchar(20)    -> ); Query OK, 0 rows affected (0.91 sec)Insert some records in the table using insert command −mysql> insert into DemoTable1460 values('Chris'); Query OK, 1 row affected (0.15 sec) mysql> insert into ... Read More

To get an ICollection containing the values in the Hashtable, the code is as follows −Example Live Demousing System; using System.Collections; public class Demo {    public static void Main() {       Hashtable hash = new Hashtable();       hash.Add("A", "Electronics");       hash.Add("B", "Appliances");     ... Read More

To get an ICollection containing the keys in the Hashtable, the code is as follows −Example Live Demousing System; using System.Collections; public class Demo {    public static void Main() {       Hashtable hash = new Hashtable();       hash.Add("A", "Electronics");       hash.Add("B", "Appliances");     ... Read More

Here is the query to create first table.mysql> create table DemoTable1    -> (    -> StudentName varchar(20),    -> StudentMarks int    -> ); Query OK, 0 rows affected (0.67 sec)To understand the above concept, let us create second table.mysql> create table DemoTable2    -> (    -> Name ... Read More

To get value of the bit at a specific position in BitArray, the code is as follows −Example Live Demousing System; using System.Collections; public class Demo {    public static void Main() {       BitArray arr1 = new BitArray(2);       BitArray arr2 = new BitArray(2);     ... Read More

To get or set the value associated with specified key in Hashtable, the code is as follows −Example Live Demousing System; using System.Collections; public class Demo {    public static void Main() {       Hashtable hash = new Hashtable();       hash.Add("1", "AB");       hash.Add("2", "BC"); ... Read More

Use IS NOT NULL to find the non-null values and display them. Let us first create a table −mysql> create table DemoTable1458    -> (    -> StudentName varchar(20),    -> StudentScore int    -> ); Query OK, 0 rows affected (0.52 sec)Insert some records in the table using insert ... Read More

To convert timestamp to month, use the FROM_UNIXTIME() method as in the below syntax −select month(from_unixtime(yourColumnName)) from yourTableName;Let us first create a table −mysql> create table DemoTable1457    -> (    -> Value bigint    -> ); Query OK, 0 rows affected (0.85 sec)Insert some records in the table using ... Read More

To get or set the number of elements that the ArrayList can contain, the code is as follows −Example Live Demousing System; using System.Collections; public class Demo {    public static void Main() {       ArrayList arrList = new ArrayList();       arrList.Add(25);       arrList.Add(50);   ... Read More