下面是一个示例代码,演示了如何在Java中使用Scanner和Array完成一个简单的任务:从用户输入的数字中找到最大值。 代码语言:txt 复制 import java.util.Scanner; public class MaxNumberFinder { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); System.out.print("请...
import java.util.Scanner; public class ArrayInputExample { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); // 创建一个长度为5的整数数组 int[] arr = new int[5]; System.out.println("请输入5个整数:"); // 使用循环为数组赋值 for (int i = 0; i <...
Java Scanner class is part of the java.util package. It was introduced in Java 1.5 release. The Scanner is mostly used to receive user input and parse them into primitive data types such as int, double or default String. It’s a utility class to parse data using regular expressions by g...
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); System.out.print("请输入数组的长度:"); int length = scanner.nextInt(); int[] array = new int[length]; System.out.println("请输入数组的元素:"); for ...
text/java复制 {@code Scanner sc = new Scanner(new File("myNumbers")); while (sc.hasNextLong()) { long aLong = sc.nextLong(); } } </blockquote> The scanner can also use delimiters other than whitespace. This example reads several items in from a string: <blockquote> ...
//一组无序的自然数集合,由0,1,2... ...,n的数字和一个的数字X(X>=0 && X<=n)组成,请从集合中找出这个重复数字X。importjava.util.*;publicclassArrayIO{publicstaticvoidmain(String[] args){intARRAYLENGTH=8;//指定数组长度inta[] =newint[ARRAYLENGTH];Scannersc=newScanner(System.in); ...
1packagecn.itcast.demo01.demo01.demo05;2importjava.util.ArrayList;3importjava.util.Random;4importjava.util.Scanner;5publicclassDemo05person {6publicstaticvoidmain(String[] args) {7// 创建一个ArrayList集合,集合名字是list8ArrayList<String> list =newArrayList<>();9// 打印ArrayList集合的名字list,...
import java.util.Scanner; public class ScannerNextIntExample { public static void main(String[wap.xadzgs.com] args) { Scanner scanner = new Scanner(System.in); System.out.print("请输入一个整数: "); try { int number = scanner.nextInt(); ...
import java.util.Scanner; public class ScannerDemo01 { public static void main(String[] args) { //创建Scanner引用类型的变量 Scanner sc = new Scanner(System.in); //获取数字 System.out.println("请输入一个数字"); int n = sc.nextInt(); ...
tutorialspoint; import java.util.Scanner; 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 next line of the string ...