{@code Scanner sc = new Scanner(System.in); int i = sc.nextInt(); } </blockquote> 另一個範例是,此程式代碼允許 long 從檔案 myNumbers中的專案指派類型: <blockquote>text/java 複製 {@code Scanner sc = new Scanner(new File("myNumbers")); while (sc.hasNextLong()) { long aLong =...
packagecom.yuan.scanner;importjavax.xml.transform.Source;importjava.util.Scanner;publicclassDemo5{publicstaticvoidmain(String[] args){//我们可以输入多个数字,并且求出综合和平均数,每输入一个数字用回车确认,通过输入非数字来结束输入并输出执行结果Scannerscanner=newScanner(System.in);//和doublesum=0;//计...
You will also notice that Eclipse has underlined Scanner in red, as shown in the next screenshot. That means that Eclipse sees this as an error. That is okay, because the code is actually missing something important. To fix this, right click on the main screen, go down to where it say...
在src/main/java/目录下创建一个Main.java文件。 importjava.util.Scanner;publicclassMain{publicstaticvoidmain(String[]args){Scannerscanner=newScanner(System.in);HealthCodeGeneratorgenerator=newHealthCodeGenerator();System.out.println("请输入您的姓名:");Stringname=scanner.nextLine();StringhealthCode=generat...
Run Code Output Enter Double value: 33.33 Using nextDouble(): 33.33 In the above example, we have used the nextDouble() method to read a floating-point value. Example 4: Java Scanner next() import java.util.Scanner; class Main { public static void main(String[] args) { // creates an...
清单2-4 只是将一个名为java.util的 Java 包合并到程序中。从这个包中,我们检索 scanner 函数,然后用它来读取键盘输入。在阅读本书的过程中,我们将浏览一些最常用的 Java 包。 现在让我们分解清单 2-4 中与用户输入相关的机制: Scannerinput_a=newScanner(System.in); ...
A scanner will default to interpreting numbers as decimal unless a different radix has been set by using the useRadix(int) method. The reset() method will reset the value of the scanner's radix to 10 regardless of whether it was previously changed. ...
import java.util.Scanner; public class Demo9 { public static void main(String[] args) { Scanner sc=new Scanner(http://System.in); int nextInt = sc.nextInt(); if(nextInt%5==0){ System.out.println("是5的倍数"); } if(nextInt%2==0){ ...
importjava.util.Scanner;publicclasstest1{publicstaticvoidmain(String[] args){Scannerinput=newScanner(System.in);doublesharePrice=0,stockPrice =0, temp =0;inti=0;doublesum=0; String name;while(i <2) { System.out.println("Enter the Name of the Stock "); ...
INFO: SonarQube Scanner3.3.0.1492INFO: Java1.8.0_121 Oracle Corporation (64-bit) INFO: Linux3.10.0-862.el7.x86_64 amd64 INFO: User cache:/root/.sonar/cache INFO: SonarQube server6.7.6INFO: Default locale:"en_US", source code encoding:"UTF-8"INFO: Publish mode ...