Не могу понять, что нужно исправить. Валидатор пишет: "Метод write(byte[] b, int off, int len) не делегирует свое выполнение классу FileOutputStream." Вывод в консоль:
C:\Users\admin\.jdks\openjdk-15.0.1\bin\java.exe "-javaagent:C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2020.2.3\lib\idea_rt.jar=56011:C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2020.2.3\bin" -Dfile.encoding=UTF-8 -classpath D:\IDEA_project\JavaRushTasks\out\production\2.JavaCore com.javarush.task.task18.task1813.AmigoOutputStream
Exception in thread "main" java.io.FileNotFoundException: C:\tmp\result.txt (The system cannot find the path specified)
	at java.base/java.io.FileOutputStream.open0(Native Method)
	at java.base/java.io.FileOutputStream.open(FileOutputStream.java:291)
	at java.base/java.io.FileOutputStream.<init>(FileOutputStream.java:234)
	at java.base/java.io.FileOutputStream.<init>(FileOutputStream.java:123)
	at com.javarush.task.task18.task1813.AmigoOutputStream.main(AmigoOutputStream.java:43)

Process finished with exit code 1