java how to read user input

java read input from user

import java.util.Scanner; /* Required Import*/
public class reading{
  public static void main(String[] args){
    Scanner scan = new Scanner(System.in); // Create Reader 
    System.out.print("Enter Your Age"); // Ask the user for something
    int age = scan.nextInt(); // Read value from user
    System.out.print(age); // Output the value
  }
}
/*
  Java Reading Options:
  1_ reading int => nextInt();
  2_ reading char => next().charAt(0); Single Character
  3_ reading string => next();
  4_ reading double => nextDouble();
*/

Posted by: Guest on June-17-2021

Scanner sc = new Scanner(System.in); String s = sc.next(); int n = sc.nextInt(); double d = sc.nextDouble(); float f = sc.nextFloat(); // more fast way BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String s = br.readLine(); // read line int c = br.read(); // read single char

import java.util.*; class UserInputDemo { public static void main(String[] args) { Scanner sc= new Scanner(System.in); //System.in is a standard input stream System.out.print("Enter first number- "); int a= sc.nextInt(); System.out.print("Enter second number- "); int b= sc.nextInt(); System.out.print("Enter third number- "); int c= sc.nextInt(); int d=a+b+c; System.out.println("Total= " +d); } }

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