ScannerDemo.java 文件代码: importjava.util.Scanner;classRunoobTest{publicstaticvoidmain(String[]args){System.out.println("请输入数字:");Scannerscan=newScanner(System.in);doublesum=0;intm=0;while(scan.hasNextDouble()){doublex=scan.nextDouble();m=m+1;sum=sum+x;}System.out.println(m+"个数...
java import java.util.Scanner; public class Main { public static void main(Stri // 创建一个 Scanner 对象,用于从标准输入读取数据 Scanner scanner = new Scanner(System.in); // 提示用户输入一个字符串 System.out.print("请输入一个字符串: "); // 使用 nextLine() 方法读取用户输入的一行字符串 ...
Java.Util Assembly: Mono.Android.dll A simple text scanner which can parse primitive types and strings using regular expressions. C#复制 [Android.Runtime.Register("java/util/Scanner", DoNotGenerateAcw=true)]publicsealedclassScanner:Java.Lang.Object,IDisposable,Java.Interop.IJavaPeerable,Java.IO.I...
In the example below, we use different methods to read data of various types: Example importjava.util.Scanner;classMain{publicstaticvoidmain(String[]args){ScannermyObj=newScanner(System.in);System.out.println("Enter name, age and salary:");// String inputStringname=myObj.nextLine();// Nume...
importjava.util.Scanner;publicclassdd{publicstaticvoidmain(String[]args){Scanner scan=newScanner(System.in);// 从键盘接收数据// next方式接收字符串System.out.println("nextLine方式接收:");// 判断是否还有输入if(scan.hasNext()){String str1=scan.nextLine();System.out.println("输入的数据为:"+str...
ScanneruseLocale(Locale locale) 将此扫描程序的语言环境设置为指定的语言环境。 ScanneruseRadix(int radix) 将此扫描仪的默认基数设置为指定的基数。 声明方法的类 java.lang.Object clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait 声明方法的接口 java.util.Iter...
在程序运行过程中输入参数，就无法满足。JDK5.0之后，Java基础类库提供了一个Scanner类，它位于java....
java import java.util.Scanner; 接下来,我们就可以创建Scanner对象了。通常情况下,我们将Scanner与System.in关联起来,以便从键盘读取用户输入的数据。具体做法如下: java Scanner scanner = new Scanner(System.in); 二、基本的读取方法 1. next()方法 next()方法用于读取用户输入的下一个完整单词,它会自动过滤掉...
下面是一个简单的示例代码：java public class TestScanner { public static void main(String[] args) { Scanner s = new Scanner(System.in);System.out.println("请输入字符串：");while (true) { String line = s.nextLine();if (line.equals("exit")) { break;} System.out.println("...
Scanner.useLocale(Locale locale) Sets this scanner's locale to the specified locale. Scanner Scanner.useRadix(int radix) Sets this scanner's default radix to the specified radix.Skip navigation links Overview Package Class Use Tree Deprecated Index Help Java™ PlatformStandard Ed. 8Prev...