import java.util.Scanner; publicclassTest1 { publicstaticvoidmain(String[] args) { //创建Scanner类型的对象(注意,要导包) //System.in:标准的输入流,默认指向键盘 Scanner sc1 =newScanner(System.in); //接受整数 System.out.println("请输入一个整数"); ...
AI代码解释 publicclassinputInformation{publicstaticvoidmain(String args[]){Scanner scan=newScanner(System.in);//构造Scanner类的对象scan,接收从控制台输入的信息System.out.println("请输入你的姓名");String name=scan.nextLine();//接收一个字符串,可以加除Enter以外的所有符号,包括空格和TabSystem.out.prin...
1.常用的方法publicintnextInt();获取一个int类型的值publicStringnextLine();获取一个String类型的值publicStringnext();获取一个String类型的值2.案例演示 a.先录入一个int类型的,在录入一个String类型的值 import java.util.Scanner;publicclassScanner2{publicstaticvoidmain(String[] args){ Scanner sc =newSca...
text/java 複製 {@code String input = "1 fish 2 fish red fish blue fish"; Scanner s = new Scanner(input); s.findInLine("(\\d+) fish (\\d+) fish (\\w+) fish (\\w+)"); MatchResult result = s.match(); for (int i=1; i<=result.groupCount(); i++) System.out.println...
import java.util.*;//导入java.util下的所有类,import与c语言中的#include头文件有些类似 public class useage { public static void main(String[] args){ Scanner input=new Scanner(System.in); System.out.println("输入一个带有空格的串用nextLine()输入"); ...
Once the input is read, nextLine() positions the cursor in the next line. nextLine()时,则可以扫描到一行内容并作为一个字符串而被获取到。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 public class NextTest{ public static void main(String[] args) { String s1,s2; Scanner sc=new ...
import java.util.Scanner; public class ScannerUserInput { public static void main(String[] args) { // String input with the Java Scanner System.out.println("How old are you?"); Scanner stringScanner = new Scanner(System.in); String age = stringScanner.next(); System.out.println(age +...
import java.util.Scanner; public class Program { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub Scanner scanner = new Scanner(System.in); String input; System.out.println("输入一个整数a:"); ...
Learn about the Java Scanner class, its methods, and how to use it for input operations in your Java applications.
The scanner does not advance past any input.(当执行该方法时,会有堵塞现象,待用户输入时,遇到换行符则返回true) 4.实例 import java.util.Scanner; public class TestScanner1 { public static void main(String[] args) { Scanner scan = new Scanner(System.in); // 从键盘接收数据 System.out.println...