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

0 vote116 views1 answer
Line break in android xml dynamically
Java
0 vote98 views1 answer
Java class in dataweave
Java
3 votes94 views1 answer
How to check object type in java
Java
0 vote93 views1 answer
Neither bindingresult nor plain target object for bean name spring mvc
Java
0 vote95 views1 answer
Add two numbers in java
Java
0 vote103 views1 answer
Main method in java without static keyword
Java
0 vote93 views3 answers
Char to charsequence in java
Java
0 vote91 views1 answer
Javafx how to change shape color
Java
0 vote105 views1 answer
Fix all 'Implicit call to array '.toString() problems
Java
0 vote112 views1 answer
Spring boot api key authentication example
Java Spring