Java Learning notes [using scanner scanner for data entry]

Source: Internet
Author: User

Input ********/for/********* data
/** using scanner scanner for data entry
How to use the scanner scanner
Before the class declaration, introduce the scanner
Import Java.util.Scanner;
Declare a new scanner (that is, request a space for memory)
Scanner in
Value Assignment
In=new Scanner (;
Scanner in=new Scanner (;
Use the scanner.
Shaping data input: In.nextint () to receive
Double decimal Input: In.nextdouble () to receive
String input: () to receive

There is no way to accept the input of a single string

Import java.util.*;
You can also use the sub-package import Java.util.Scanner;
Class eqw{
public static void Main (String args[])
Scanner in=new Scanner (;
SYSTEM.OUT.PRINTLN ("Pls input name:");
String ();
SYSTEM.OUT.PRINTLN ("Pls input nianji:");
int Nianji=in.nextint ();

System.out.println ("Name:" +name);
System.out.println ("Nianji:" +nianji);

Java Learning notes [using scanner scanner for data entry]

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