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4 310
E-commerce Projects in Php +Mysql
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Frontend -HTML,CSS,JS,bootstrap
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Sourcode Code @Rishabhsaini0204
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Feature
Admin
Add product
UPDATED Product
DELETE Product
CLIENT RECORDS
Add Category
Add Brand
Client
ADD TO CARD
Buy with PAYMENT
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Add Quantity
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E commerce Projects in Php +Mysql
On 6-03-2022 at 10 am
Feature
Admin
Add product
UPDATED
DELETE
CLIENT RECORDS
and many more
Client
ADD TO CARD
Buy with PAYMENT options
Search product
And many more
4 310
Hospital Management System IN PHP
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Anyone Who need this project
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Language - PHP
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What is a Lambda expression in Java ?
A Lambda expression represents an Anonymous method.
Anonymous method concept is similar to that of an Anonymous class⦠the difference being it implements a functional interface.
Functional interface is a new interface concept in Java 8. A functional interface can only declare one abstract method.
Lambda expressions allow the programmer to pass code in a concise manner making the code more clearer and flexible.
Lambda syntax
A lambda expression contains:
A parameter list
An arrow symbol(->)
Body of the lambda containing statements
The syntax for Lambda expressions is:
(parameters) -> {statements;}
How to write simple methods as lambda expression
Here is a simple method that displays a message βHello Worldβ.
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public void hello(){
System.out.println("Hello World");
}
To convert this method to a lambda expression, remove the access specifier βpublicβ, return type βvoidβ and method name βhelloβ and write it as :
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() -> {System.out.println("Hello World");}
Here is another method example that adds two numbers and returns their sum :
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int add(int x, int y){
return x+y;
}
This method can be converted to lambda expression as :
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(int x, int y) -> {return x+y;}
Important points about lambda expressions
Here are some notable points regarding lambda expressions :
1 ) A lambda expression can have zero or more parameters.
Here is an example of lambda expression with zero parameters:
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() -> {System.out.println("Hello World");}
Here is an example of lambda expression with two parameters:
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(int x, int y) -> {return x+y;}
This lambda expression accepts two integer parameters and returns their sum.
2) If the type of the parameters can be decided by the compiler, then we can ignore adding them in the lambda expression.
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(int x, int y) -> {return x+y;} // type mentioned
(x,y) -> {return x+y;}; // type ingored
3) If there is only one parameter, the parenthesis of parameter can be omitted.
Here are some examples :
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x -> {return x+10;}
String s -> s.toUpperCase()
String s -> System.out.println(s)
4) If the body has just one expression, the return keyword and curly braces can be omitted as show below:
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(int x, int y) -> x + y
If the return type of parameters is omitted, the compiler determines default parameter types.
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(x,y) -> x+y
(str, i) -> str.substring(i)
5) A lambda can also have empty parameters
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() -> {return βHelloβ;}
() -> System.out.println(βHelloβ)
6) A lambda can also have empty parameter as well as empty body
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() -> {}
This represents a valid lambda expression that takes no parameters and returns void.
How to call a lambda expression ?
Once a lambda expression is written, it can be called and executed like a method.
For calling a lambda expression, we should create a functional interface.
Here is an example that uses functional interface to execute lambda expression :
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public class FuntionalInterfaceDemo {
interface MyInter{
void hello();
}
public static void main(String[] args) {
// TODO Auto-generated method stub
MyInter infVar = () -> {System.out.println("Hello World");};
infVar.hello();
}
}
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CV Building Website |
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let`s make a CV and save the time of typing | Next Update with different CV Templates|
#CV #website #html #language #php #css
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Anyone need hotels Management Systems in java
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Hotel Management System in java
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4 310
[Forwarded from JAVA Projects |c++ | PHP |APP |website development (Rishabh Saini)]
Anyone need hotels Management Systems in java
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The project, Hotel Management System is a desktop-based application that allows the hotel manager to handle all hotel activities online. Interactive GUI and the ability to manage various rooms, employees, drivers and customers make this system very flexible and convenient. The hotel manager is a very busy person and does not have the time to sit and manage the entire activities manually on paper. This application gives him the power and flexibility to manage the entire system from a single online system. Hotel management project provides room booking, staff management and other necessary hotel management features. The system allows the manager to post available rooms in the system.
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Anyone need hotels Management Systems in java
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πΆVoting System In Java With Database πΆ
Complete Video Will be upload soon ,because Project is still in working
source Code Will Soon
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New Java projects with source code on 14/Feb/2022 at 9.30 pm
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library management system in java With report
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