importjava.util.Scanner;publicclassInputWithSpaces{publicstaticvoidmain(String[]args){Scannerscanner=newScanner(System.in);System.out.print("请输入带有空格的字符串:");Stringstr=scanner.nextLine();System.out.println("您输入的字符串是:"+str);}} 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. ...
These methods will attempt to match the specified pattern with no regard to delimiters in the input and thus can be used in special circumstances where delimiters are not relevant. These methods may block waiting for more input. When a scanner throws an InputMismatchException, the scanner will ...
import java.util.Scanner; class Test{ public static void main(String[] args){ Scanner s = new Scanner("123 asdf sd 45 789 sdf asdfl,sdf.sdfl,asdf ...asdfkl las"); System.out.println(s.next()); } } C:\Users\86183\java>java Test 123 C:\Users\86183\java> import java.util.Scan...
InputMismatchException 如果无法将下一个标记转换为有效int值,则为 。 注解 将输入的下一个int标记扫描为 。 表单nextInt()的此方法的调用的行为方式与调用nextInt(radix)完全相同,其中radix是此扫描程序的默认基数。 的java.util.Scanner.nextInt()Java 文档。
What we need is input, and Java has plenty of ways of accepting input. However, we'll be using a Java Scanner for this tutorial. We're also going to deal with the simplest kind, text input. This means that we'll be inputting from the keyboard. ...
Scannersc=newScanner(System.in); doubled=sc.nextInt(); doublet=sc.nextInt(); Our expected output is speed of internet of double type. With inputs gathered in hand, we’ll now focus on the solution and main logic of the code.
A:If you input the data all on the same line, you can use nextLine() to grab the data and store it all on a single String. Q: How do I repeat an input with the Scanner? A:This is not so much a problem with Scanner itself. If you want to keep getting input, make sure to ...
;// Import the Scanner classclassMain{publicstaticvoidmain(String[]args){ScannermyObj=newScanner(System.in);// Create a Scanner objectSystem.out.println("Enter username");StringuserName=myObj.nextLine();// Read user inputSystem.out.println("Username is: "+userName);// Output user input}}...
接下来,你需要创建一个Scanner对象,并将其与标准输入流(通常是键盘)关联起来。 java Scanner scanner = new Scanner(System.in); 调用Scanner对象的nextLine()方法来输入字符串: 使用nextLine()方法读取一行字符串,包括空格。 java System.out.println("请输入一行字符串(含空格): "); String inputWithSpaces =...
a token is a series of numeric or alphanumeric characters that ends with a whitespace. A whitespace can be tab character, carriage return, end of file or a blank space. If a series of numbers are given as input by the user with spaces in between each number, then the Scanner class wou...