Feb 25, 2019 · I am taking input using java Scanner by writing following code: import java.util.Scanner; class main { public static void main (String args []) { Scanner scan=new Scanner (System.in);

This Scanner class comes under java.util, hence the first line of the program is import java.util.Scanner; which allows the user to read values of various types in Java.

Mar 24, 2010 · The question is "How to read from standard input". A console is a device typically associated to the keyboard and display from which a program is launched. You may wish to test if no …

Jul 9, 2013 · Scanner package used for obtaining the input of the primitive types like int, double etc. and strings. It is the easiest way to read input in a Java program, though not very efficient. To create an …

I'm taking user input from System.in using a java.util.Scanner. I need to validate the input for things like: It must be a non-negative number It must be an alphabetical letter ... etc What's the b...

Mar 13, 2011 · I attempted to create a calculator, but I can not get it to work because I don't know how to get user input. How can I get the user input in Java?

Oct 21, 2012 · The problem with the code above, which also happens on different methods I tried, is that when the user types Y, the Scanner will skip the first input for first name,and jump to the surname.

May 11, 2011 · I'm writing a program that uses an Event class, which has in it an instance of a calendar, and a description of type String. The method to create an event uses a Scanner to take in a month, …

Sep 15, 2016 · I need to read spaces (present before string and after String) given as input using Scanner Note : if there is no spaces given in input it should not add space in output Please find the …

I am working on a Java program that reads a text file line-by-line, each with a number, takes each number throws it into an array, then tries and use insertion sort to sort the array. I need help w...