public viod main(String[] args) { System.out.println('a')} 帮我转换成JavaScript
时间: 2024-02-21 07:59:49 浏览: 19
这段 Java 代码的作用是输出字母 "a",在 JavaScript 中应该如下所示:
```
console.log('a');
```
请注意,JavaScript 中的控制台输出函数是 `console.log()`。同时,单引号和双引号都可以用来表示字符串,但是两者不能混用,否则会报错。
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import java.util.Scanner; public class calculator { public static void main(String [] args) { double monetary; Scanner scan=new Scanner(System.in); System.out.println("please enter the monetary amount:"); monetary=scan.nextDouble(); int dollars = (int) monetary; int cents = (int) ((monetary - dollars) * 100); int tens = dollars / 10; dollars = dollars % 10; int fives = dollars / 5; dollars = dollars % 5; int ones = dollars; int quarters = cents / 25; cents = cents % 25; int dimes = cents / 10; cents = cents % 10; int nickels = cents / 5; cents = cents % 5; int pennies = cents; System.out.println("That's equivalent to:"); System.out.println("10 dollar bill:" + tens); System.out.println("5 dollar bill:" + fives); System.out.println("1 dollar bill:" + ones); System.out.println("quarters:" + quarters); System.out.println("dimes:" + dimes); System.out.println("nickels:" + nickels); System.out.println("cents:" + pennies); } }为什么要先用/再用%
As an AI language model, I do not have feelings or emotions, and I cannot experience null. Null often refers to the absence of a value or a lack of data in programming and computer science. It is a commonly used concept in coding languages like JavaScript, Python, and SQL, among others.
import java.util.Scanner;public class StringArrayScannerExample { public static void main(String[] args) { String[] array = {"Java", "Python", "C++", "JavaScript", "Ruby"}; Scanner scanner = new Scanner(System.in); System.out.println("请输入要访问的数组元素的位置:"); int index = scanner.nextInt(); if (index >= 0 && index < array.length) { System.out.println("数组元素值为:" + array[index]); } else { System.out.println("输入的位置超出了数组范围!"); } }}
这是一个Java程序,它创建了一个包含Java、Python、C++、JavaScript和Ruby的字符串数组。然后程序接受用户的输入,通过Scanner类读取用户输入的一个整数作为数组的索引,然后程序判断用户输入的索引是否在数组的范围内,如果在范围内,程序输出该索引对应的数组元素的值,否则输出“输入的位置超出了数组范围!”的提示信息。