Util Assembly: Mono.Android.dll A simple text scanner which can parse primitive types and strings using regular expressions. C# 複製 [Android.Runtime.Register("java/util/Scanner", DoNotGenerateAcw=true)] public sealed class Scanner : Java.Lang.Object, IDisposable, Java.Interop.IJavaPeer...
ScannerDemo.java 文件代码: importjava.util.Scanner;publicclassScannerDemo{publicstaticvoidmain(String[]args){Scannerscan=newScanner(System.in);//从键盘接收数据//nextLine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.hasNextLine()){Stringstr2=scan.nextLine();System....
ScannerDemo.java 文件代码: importjava.util.Scanner;publicclassScannerDemo{publicstaticvoidmain(String[]args){Scannerscan=newScanner(System.in);//从键盘接收数据//nextLine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.hasNextLine()){Stringstr2=scan.nextLine();System....
String str = scanner.next(); System.out.println("用户输入的字符串为:" + str); //关闭Scanner对象 scanner.close(); 输出结果: 输入的三个字符串神仙、妖怪、谢谢 使用空格分隔,我们发现只输出了第一个词:神仙 下面使用nextLine()方法试试: //创建Scanner对象 Scanner scanner = new Scanner(System.in)...
import java.util.Scanner; public class test { public static void main(String[] args) { Scanner scanner=new Scanner(System.in); //整数 System.out.println("请输入一个整数"); int a=scanner.nextInt(); System.out.println(a); ...
ScannerDemo.java 文件代码: importjava.util.Scanner;classScannerDemo {publicstaticvoidmain(String[] args) { Scanner scan=newScanner(System.in);doublesum = 0;intm = 0;while(scan.hasNextDouble()) {doublex =scan.nextDouble(); m= m + 1; ...
Java5添加了java.util.Scanner类,这是一个用于扫描输入文本的新的实用程序。它是以前的StringTokenizer和Matcher类之间的某种结合。由于任何数据都必须通过同一模式的捕获组检索或通过使用一个索引来检索文本的各个部分。于是可以结合使用正则表达式和从输入流中检索特定类型数据项的方法。这样,除了能使用正则表达式之外,Scan...
importjava.util.Scanner;publicclassGetBodyFat{publicstaticvoidmain(String[]args){// 初始化腰围floatwaistline=0f;// 初始化体重floatweight=0f;// 声明浮点型参数 a,b,bodyFatWeight(脂肪重量)floata,b,bodyFatWeight;Scannerscanner=newScanner(System.in);System.out.println("请输入您的腰围(cm):");if...
import java.util.Scanner; public class Test1 { public static void main(String[] args){ Scanner sc =new Scanner(System.in); String input = sc.next(); char[] arr = input.toCharArray(); int len =arr.length; int n = (len % 16 == 0)?(len/16):(len/16+1); char[][] smallChar...
import java.util.Scanner; class Main{ public static void main(String[] args) { Scanner in= new Scanner(System.in); while(in.hasNext()){ int n = in.nextInt(); int[] tree = new int[n]; for (int i = 0; i < tree.length; i++) { tree[i]=-1; } for(int i =0;i<n-1...