SCANNER CLASS IN JAVA

Java scanner

import java.util.Scanner;

// import scanner 

Scanner myScanner = new Scanner(System.in); // Make scanner obj

String inputString = myScanner.nextLine(); // Take whole line

boolean inputBoolean = myScanner.nextBoolean(); //Boolean input

long inputLong = myScanner.nextLong(); //Interger,long ... input

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
  }}

How to use scanners in java

import java.util.Scanner;

Public class Scanner {
	Public static void main(String[] args) {
    	// Scanner *scanner name here* = new Scanner(System.in);
      	Scanner scan = new Scanner(System.in);
      	System.out.println("Type anything and the scanner will take that input and print it");
      	String next = scan.next();
      	System.out.println(next);
    } 
}

How to use scanner class in java

// import Scanner
import java.util.Scanner;

// Initialize Scanner
Scanner input = new Scanner(System.in);

// Test program with Scanner
System.out.println("What is your name?");
String name = input.nextLine();

System.out.println("Hello," + name + " , it is nice to meet you!");

Scanner_Java

Scanner scanner = new Scanner(System.in);
String myString = scanner.next();
int myInt = scanner.nextInt();
scanner.close();

System.out.println("myString is: " + myString);
System.out.println("myInt is: " + myInt);

Source: hackerrank.com

SCANNER CLASS IN JAVA

The Scanner class from java.util package is used to get input of primitive types such as int, double, and strings. It’s the simplest way to read input in a Java program, but it’s inefficient if you need an input method for situations where time is a factor, such as competitive programming.

Source: codeleaks.io

Similar codes

14 votes182 views2 answers
Java read next line
Java
5 votes227 views2 answers
Set jframe fullscreen
Java
1 vote188 views1 answer
Convert biginteger to string java
Java
0 vote197 views1 answer
How to get all super class of a java class
Java
1 vote229 views1 answer
Set $JAVA_HOME variable in ubuntu
Java
0 vote190 views1 answer
How to access private vairable in java method
Java
1 vote207 views2 answers
How to use string variables with an if statement in java
Java
0 vote190 views1 answer
How is boolean array initialized if no input is given java
Java
0 vote190 views1 answer
Android studio change image on button click
Java
0 vote192 views1 answer
Set jcombobox index java
Java