The month of the year is obtained using getMonthValue() method in the MonthDay class in Java. This method requires no parameter and it returns the month of the year which may be in the range of 1 to 12.A program that demonstrates this is given as followsExample Live Demoimport java.time.*; public ... Read More

The long value of a specified Chronofield can be obtained using the getLong() method in the MonthDay class in Java. This method requires a single parameter i.e. the ChronoField and it returns the long value of a specified Chronofield.A program that demonstrates this is given as followsExample Live Demoimport java.util.*; import ... Read More

An immutable copy of a Period with the number of months as required is done using the method withMonths() in the Period class in Java. This method requires a single parameter i.e. the number of months in the Period and it returns the Period with the number of months as ... Read More

To perform custom sort by field value in MySQL, use the FIELD() method in ORDER BY. Let us first create a table:mysql> create table DemoTable (StudentId int); Query OK, 0 rows affected (0.58 sec)Following is the query to insert some records in the table using insert command:mysql> insert into DemoTable ... Read More

To create a tab delimited select statement, you can use CONCAT() function from MySQL. Following is the syntax:select concat(yourColumnName1, "\t", yourColumnName2) AS anyAliasName from yourTableName;Let us first create a table:mysql> create table DemoTable (    Id int NOT NULL AUTO_INCREMENT PRIMARY KEY,    FirstName varchar(20),    LastName varchar(20) ); Query ... Read More

To select a column that is also a keyword in MySQL, you need to use backticks around the column name. As you know select is a keyword in MySQL, consider column name as select when creating a new table.Let us create a table:mysql> create table DemoTable (`select` varchar(100)); Query OK, ... Read More

Like procedures, you can also create function in a database and store them.SyntaxFollowing is the syntax of creating a function in a(MySQL) database:CREATE FUNCTION Function_Name(input_arguments) RETURNS output_parameter BEGIN    declare variables;    statements . . . . . . . . . .    return data_type;    ENDExampleSuppose we have ... Read More

The length() method of the StringJoiner class in Java 8 is used to get the length of the current value of StringJoiner.To work with the StringJoiner in Java 8, import the following package:import java.util.StringJoiner;The syntax is as follows:public int length()First, create a StringJoiner:StringJoiner strJoin = new StringJoiner(", "); strJoin.add("US"); strJoin.add("India"); ... Read More

The size() method of the AbstractCollection class returns the numbers of elements in the collection. The method returns Integer.MAX_VALUE if the total number of elemnts in the collection exceeds the Interger.MAX_VALUE.The syntax is as follows:public abstract int size()To work with AbstractCollection class in Java, import the following package:import java.util.AbstractCollection;The following ... Read More

A ResultSet interface in JDBC represents the tabular data generated by SQL queries. It has a cursor which points to the current row. Initially this cursor is positioned before first row.You can move the cursor using the next() method and, you can retrieve the column values of a row using ... Read More