The fromCollection() method is used in JavaTuples to create Septet Tuple from List collection.Let us first see what we need to work with JavaTuples. To work with Septet class in JavaTuples, you need to import the following package −import org.javatuples.Septet;Note − Steps to download and run JavaTuples program. If you ... Read More

Any number which can be expressed as a quotient or fraction in the form of p/q is called a rational number. The fractions module of Python library provides functionality for rational number arithmetic.This module defines a Fraction class. Its object can be constituted in various ways as below −Fraction(num, denom)The ... Read More

To display 3 digits after decimal, use TRUNCATE(). Let us first create a table −mysql> create table DemoTable (    Id int NOT NULL AUTO_INCREMENT PRIMARY KEY,    Value DECIMAL(10, 5) ); Query OK, 0 rows affected (0.51 sec)Insert some records in the table using insert command −mysql> insert into ... Read More

The useBean action is quite versatile. It first searches for an existing object utilizing the id and scope variables. If an object is not found, it then tries to create the specified object.The simplest way to load a bean is as follows −Once a bean class is loaded, you can ... Read More

You can use INFORMATION_SCHEMA.COLUMNS to get the table with the greatest number of columns. The syntax is as follows −SELECT TABLE_NAME, COUNT(*) AS anyAliasName FROM INFORMATION_SCHEMA.COLUMNS GROUP BY TABLE_NAME ORDER BY yourAliasName DESC LIMIT 1;Following is the query to select the table that has the greatest number of columns. We are ... Read More

The setAt0() method is used to set the Septet value in JavaTuples and a copy with new value at the specified index i.e. index 0 here.Let us first see what we need to work with JavaTuples. To work with Septet class in JavaTuples, you need to import the following package ... Read More

The action can be used to write the template text in JSP pages and documents. Following is the simple syntax for this action −Template dataThe body of the template cannot contain other elements; it can only contain text and EL expressions (Note − EL expressions are explained in a ... Read More

At first, create two time instants −Instant time1 = Instant.now(); Instant time2 = time1.plus(5, ChronoUnit.HOURS).plus(10, ChronoUnit.MINUTES);Use between() to get the minutes between two time instants −Duration duration = Duration.ofSeconds(13); Instant i = time1.plus(duration); System.out.println("Minutes between two time instants = "+Duration.between(time1, time2).toMinutes());Example Live Demoimport java.time.Duration; import java.time.Instant; import java.time.temporal.ChronoUnit; public class Demo ... Read More

You can use stored procedure to insert into two tables in a single query. Let us first create a table −mysql> create table DemoTable (    StudentId int NOT NULL AUTO_INCREMENT PRIMARY KEY,    StudentFirstName varchar(20) ); Query OK, 0 rows affected (0.56 sec)Here is the query to create second ... Read More

A view of the ByteBuffer can be created as a DoubleBuffer using the asDoubleBuffer() method in the class java.nio.ByteBuffer. This method requires no parameters and it returns a double buffer as required. This buffer reflects the changes made to the original buffer and vice versa.A program that demonstrates this is ... Read More