scanner in java
import java.util.Scanner; //Import Scanner in java
class classname{
public void methodname(){
Scanner s_name = new Scanner(System.in); //Scanner declaration
//Use Scanner object to take input
int val1 = s_name.nextInt(); //int
float val2 = s_name.nextFloat(); //float
double val3 = s_name.nextDouble(); //double
string name = s_name.nextLine(); //string
char ch = s_name.nextLine().charAt(0); //character
}}Java scanner example
import java.util.Scanner;
public class AddTwoNumbers2 {
public static void main(String[] args) {
int num1, num2, sum;
Scanner sc = new Scanner(System.in);
System.out.println("Enter First Number: ");
num1 = sc.nextInt();
System.out.println("Enter Second Number: ");
num2 = sc.nextInt();
sc.close();
sum = num1 + num2;
System.out.println("Sum of these numbers: "+sum);
}
}
Output:take input from user in java using scanner
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);
}
} Copyright © 2021 Codeinu
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