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java scanner

By NimorumNimorum on May 26, 2020
import java.util.Scanner;//import Scanner

Scanner input=new Scanner(System.in);//Create the scanner Obj

float numF = input.nextFloat();//Returns float
int num1 = input.nextInt(); //Returns int
byte byte1 = input.nextByte();//Returns Byte
long lg1 = input.nextLong();//Returns long
boolean b1 = input.nextBoolean();//Returns bool
double num2 = input.nextDouble();//Returns Double
String nome = input.nextLine();//Returns String

//execution is pause until you give input

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how to provide a long string in Java Scanner class

By AjmalTheDeveloperAjmalTheDeveloper on Oct 19, 2020
If you use the nextLine() method immediately following the nextInt() method, 
nextInt() reads integer tokens; because of this, the last newline character for 
that line of integer input is still queued in the input buffer and the next 
nextLine() will be reading the remainder of the integer line (which is empty). 
So we read can read the empty space to another string might work. Check below 
code.
import java.util.Scanner;

public class Solution {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int i = scan.nextInt();

        // Write your code here.
        double d = scan.nextDouble();
        String f = scan.nextLine();
        String s = scan.nextLine();

        System.out.println("String: " + s);
        System.out.println("Double: " + d);
        System.out.println("Int: " + i);
    }
}

Source: stackoverflow.com

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