4.Scanner java.util.Scanner 是Java5的新特征,主要功能是简化文本扫描,这个类最实用的地方表现在获取控制台输入。当通过 new Scanner(System.in) 创建一个Scanner,控制台会一直等待输入,直到敲回车键结束,把所输入的内容传给 Scanner,作为扫描对象。如果要获取输入的内容,则只需要调用 Scanner 的 nextLine() 方法...
Scanner input=new Scanner(System.in); System.out.println("输入一个带有空格的串用nextLine()输入"); String str1=input.nextLine(); System.out.println(str1); System.out.println("输入一个带有空格的串用next()输入"); String str2=input.next(); System.out.println(str2); System.out.println("...
Scanner没有直接读入单个字符的方法,next方法没办法读入空格符,因为Scanner以空格符作为输入完毕的标志 import java.util.Scanner; Scanner in = new Scanner(System.in); String s = in.nextLine(); char[] chars = s.toArray(); char c = chars[0]; //c就是读入的单个字符 1. 2. 3. 4. 5. 6....
[Android.Runtime.Register("skip", "(Ljava/lang/String;)Ljava/util/Scanner;", "")] public Java.Util.Scanner? Skip (string? pattern); Parameters pattern String a string specifying the pattern to skip over Returns Scanner this scanner Attributes RegisterAttribute Exceptions IllegalStateException...
Scannerinput=newScanner(System.in); while(true) { Stringline=sc.nextLine(); if(line.equals("exit")) { break;//如果输入为"exit",则退出 } System.out.println("输入:"+ line); } Scanner默认使用空格作为分割符来分隔文本,但允许你指定新的分隔符: ...
nextLine() talks about skipping input, so perhaps it's not working the way you'd expect compared to (for e.g.) nextInt()... Knute Snortum Sheriff Posts: 7125 184 I like... posted 7 years ago Here's what's happening. Scanner has a design flaw *cough*bug*cough* where it will...
util.Scanner; class Main { public static void main(String[] args) { Scanner myObj = new Scanner(System.in); System.out.println("Enter name, age and salary:"); // String input String name = myObj.nextLine(); // Numerical input int age = myObj.nextInt(); double salary = myObj....
Scanner input=new Scanner(System.in); System.out.print("STB的成绩是;"); int stb=input.nextInt(); System.out.print("JAVA的成绩是;"); int java=input.nextInt(); System.out.print("SQL的成绩是;"); int sql=input.nextInt(); int diffen; double avg; System.out.println("---"); Syste...
A simple text scanner which can parse primitive types and strings using regular expressions. A Scanner breaks its input into tokens using a delimiter pattern, which by default matches whitespace. The resulting tokens may then be converted into values of different types using the various next methods...
1.你使用的是jdk1.4，Scanner是jdk1.5以后才有的 2.你没有导入这个类，import java.util.Scanner