Hello World
A “Hello, World!” is a simple program that outputs Hello, World! on the screen.
The code for it in the latest version of Java is as follows:
class HelloWorld {
public static void main(String[] args) {
System.out.println("Hello, World!");
}
}How “Hello, World” Works in Java
// Your First ProgramVariables are containers for storing data values.
In Java, there are many different types of variables, for example:
String- stores text, such as "Hello". String values are surrounded by double quotes.int- stores integers (whole numbers), without decimals, such as 123 or -123.float- stores floating point…
To run Node Server:
node *name of file you want to run in Node*To install Express, a framework for Node:
$ npm install express --saveTo install so that you don’t have to close the terminal every time you edit:
npm install --save-dev nodemonTo install stuff for app.get…
