import java.util.Scanner; 创建Scanner对象,并关联标准输入流: 接下来,你需要创建一个Scanner对象,并将其与标准输入流(通常是键盘)关联起来。 java Scanner scanner = new Scanner(System.in); 使用Scanner对象的next()或nextLine()方法读取字符串输入: next()方法用于读取不含空格的字符串。 nextLine()方法...
public String next(); public String next(Pattern patt); public String next(String patt); Example 1: Input with spaces importjava.util.Scanner;publicclassMain{publicstaticvoidmain(String[]args){Scanner sc=newScanner(System.in);System.out.println("Enter you Skills");String skills=sc.next();Sys...
调用Scanner对象上的next()方法,next()读取以空白字符结束的字符串 Scanner input = new Scanner(System.in); System.out.print("Enter three words separated by spaces: "); String s1 = input.next(); String s2 = input.next(); String s3 = input.next(); System.out.println("s1 is " + s1);...
public class RemoveSpacesFromString { public static void main(String[] args) { // TODO Auto-generated method stub String newString; String str = "prashant is good" ; int i; char[] strArray = str.toCharArray(); StringBuffer sb = new StringBuffer(); for(i = 0; i<strArray.length; i...
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可以使用许多不同的构造函数来创建Scanner类的实例。 以下序列中的构造函数使用了一个简单的字符串。next方法从输入流中检索下一个令牌。令牌从字符串中分离出来,存储到字符串列表中,然后显示出来: Scanner scanner = new Scanner("Let's pause, and then " + " reflect."); List<String> list = new ...
java 扫描仪要求我输入两次，只为一个注册代码的问题在于您执行了console.next两次www.example.com（）。
(String []args) { Scanner sc=new Scanner(System.in); int num ; //Number declaration System.out.println("Enter the number"); num=sc.nextInt(); //Number Initialization int res=checkNum(num); //Function Call if(res==0) System.out.print(num + " is Zero"); else if (res == 1)...
public class JavaReverseString { public static void main(String[] args) { System.out.println(reverseString("abc")); System.out.println(reverseString("123!@#098*")); } public static String reverseString(String in) { if (in == null) ...
This is the most common use of the Scanner class. We can instantiate withSystem.in scnewScanner(System.in);System.out.println("Please enter your name");Stringname=sc.next();System.out.println("Hello "+name);sc.close(); Copy Output: ...