Java.util.Scanner.nextBoolean() 方法 Java.util.Scanner.nextBigInteger(int radix) 方法 Java.util.Scanner.nextByte() 方法 Java.util.Scanner.nextBoolean() 方法 package com.codingdict; import java.util.*; public class ScannerDemo { public static void main(String[] args) { String s = "Hello true World! 3 + 3.0 = 6 "; // create a new scanner with the specified String Object Scanner scanner = new Scanner(s); // find the next boolean token and print it // loop for the whole scanner while (scanner.hasNext()) { // if the next is boolean, print found and the boolean if (scanner.hasNextBoolean()) { System.out.println("Found :" + scanner.nextBoolean()); } // if a boolean is not found, print "Not Found" and the token System.out.println("Not Found :" + scanner.next()); } // close the scanner scanner.close(); } } Java.util.Scanner.nextBigInteger(int radix) 方法 Java.util.Scanner.nextByte() 方法