题目内容
阅读下列代码import java.io.*;public class Example {public static void main(String[] args) throws Exception { FileInputStream in = new FileInputStream("itcast.txt");int b = 0; while (true) {b = in.______;if (b == -1) {break;}System.out.println(b);}in.close() }}下列选项中,填写在程序空白处正确的是()
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