util.Scanner; // Import the Scanner class class Main { public static void main(String[] args) { Scanner myObj = new Scanner(System.in); // Create a Scanner object System.out.println("Enter username"); String us
importjava.util.Scanner;publicclassInputExample{publicstaticvoidmain(String[]args){Scannerscanner=newScanner(System.in);System.out.print("请输入一个整数: ");intnumber=scanner.nextInt();System.out.println("您输入的整数是: "+number);System.out.print("请输入一个字符串: ");Stringtext=scanner.nex...
importjava.util.Scanner;publicclassInputExample{publicstaticvoidmain(String[]args){Scannerscanner=newScanner(System.in);System.out.print("请输入一个整数: ");intnum=scanner.nextInt();System.out.println("你输入的整数是: "+num);System.out.print("请输入一个字符串: ");Stringstr=scanner.nextLine(...
1 导入Scanner类在使用Scanner类的时候，我们需要先导入Scanner包。2 ①打开我们的Eclipse。②新建一个Java项目(Java Project)、包(Package)和类(Class)。③在自动生成代码的第一行的下面(package xxx;)输入一行新代码:import java.util.Scanner;(导入java.util.Scanner包)3 一如既往的在public class xxx;下一行输...
scanner.close(); } } 回到顶部 使用nextLine()获取字符串 publicclassScanTest2 {publicstaticvoidmain(String[] args) { Scanner scanner=newScanner(System.in);if(scanner.hasNextLine()) { String str1=scanner.nextLine(); System.out.println("Input:" +str1); ...
publicclassPractice{publicstaticvoidmain(String[] args){Scannerinput=newScanner(System.in); System.out.println("请输入内容:");// 如果输入的不是int类型的会报错哦, 当然也可以使用if(input.hasNextInt)来规避报错inti=input.nextInt(); System.out.println(i);// 还是老样子,记得关闭,养成好习惯input....
Scanner类的常用方法2 代码演示: 代码语言:javascript 代码运行次数:0 运行 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();/...
ScannerDemo.java 文件代码: import java.util.Scanner; public class ScannerDemo { public static void main(String[] args) { Scanner scan = new Scanner(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(...
public class PersonalInformation { public static void main(String[] args) { Scanner input = new Scanner(System.in); System.out.println("请输入您的姓名:"); String name = input.nextLine(); System.out.println("请输入您的年龄:"); int age = input.nextInt(); input.nextLine(); ...
Class Returns the runtime class of this Object. (Inherited from Object) Handle The handle to the underlying Android instance. (Inherited from Object) HasNext Returns true if this scanner has another token in its input. HasNextBigDecimal Returns true if the next token in this scanner's ...