You have a function printNumber that can be called with an integer parameter and prints it to the console.
printNumber(7) prints 7 to the console.You are given an instance of the class ZeroEvenOdd that has three functions: zero, even, and odd. The same instance of ZeroEvenOdd will be passed to three different threads:
zero() that should only output 0's.even() that should only output even numbers.odd() that should only output odd numbers.Modify the given class to output the series "010203040506..." where the length of the series must be 2n.
Implement the ZeroEvenOdd class:
ZeroEvenOdd(int n) Initializes the object with the number n that represents the numbers that should be printed.void zero(printNumber) Calls printNumber to output one zero.void even(printNumber) Calls printNumber to output one even number.void odd(printNumber) Calls printNumber to output one odd number.\n
Example 1:
\n\n\nInput: n = 2\nOutput: "0102"\nExplanation: There are three threads being fired asynchronously.\nOne of them calls zero(), the other calls even(), and the last one calls odd().\n"0102" is the correct output.\n\n\n
Example 2:
\n\n\nInput: n = 5\nOutput: "0102030405"\n\n\n
\n
Constraints:
\n\n1 <= n <= 1000现有函数 printNumber 可以用一个整数参数调用，并输出该整数到控制台。
printNumber(7) 将会输出 7 到控制台。给你类 ZeroEvenOdd 的一个实例，该类中有三个函数：zero、even 和 odd 。ZeroEvenOdd 的相同实例将会传递给三个不同线程：
zero() ，只输出 0even() ，只输出偶数odd() ，只输出奇数修改给出的类，以输出序列 \"010203040506...\" ，其中序列的长度必须为 2n 。
实现 ZeroEvenOdd 类：
ZeroEvenOdd(int n) 用数字 n 初始化对象，表示需要输出的数。void zero(printNumber) 调用 printNumber 以输出一个 0 。void even(printNumber) 调用printNumber 以输出偶数。void odd(printNumber) 调用 printNumber 以输出奇数。\n\n
示例 1：
\n\n\n输入：n = 2\n输出：\"0102\"\n解释：三条线程异步执行，其中一个调用 zero()，另一个线程调用 even()，最后一个线程调用odd()。正确的输出为 \"0102\"。\n\n\n
示例 2：
\n\n\n输入：n = 5\n输出：\"0102030405\"\n\n\n
\n\n
提示：
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