Please can someone explain the java user input for me

Question

I don't understand its syntax

Answer 1

Run your Scanner program on BlueJ... u will surely understand it!

Answer 2

https://www.sololearn.com/learn/Java/2220/
take a look to the comments for more informations

Answer 3

https://stackoverflow.com/questions/11871520/how-can-i-read-input-from-the-console-using-the-scanner-class-in-java