Java.util.Scanner.locale() 方法 Java.util.Scanner.ioException() 方法 Java.util.Scanner.match() 方法 Java.util.Scanner.locale() 方法 package com.codingdict; import java.util.*; public class ScannerDemo { public static void main(String[] args) { String s = "Hello World! 3 + 3.0 = 6 "; // create a new scanner with the specified String Object Scanner scanner = new Scanner(s); // print the line System.out.println("" + scanner.nextLine()); // print the current locale System.out.println("" + scanner.locale()); // close the scanner scanner.close(); } } Java.util.Scanner.ioException() 方法 Java.util.Scanner.match() 方法