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4 changes: 1 addition & 3 deletions 8_Boundaries/8_Boundaries.md
Original file line number Diff line number Diff line change
Expand Up @@ -119,9 +119,7 @@ We’re essentially doing controlled experiments that check our understanding of
The tests focus on what we want out of the API.

# Learning log4j
Let’s say we want to use the apache log4j package rather than our own custom-built log-
ger. We download it and open the introductory documentation page. Without too much
reading we write our first test case, expecting it to write “hello” to the console.
فرض کنیم می‌خواهیم به جای استفاده از لاگر خودساخته‌مان، از apache log4j استفاده کنیم. آن را دانلود کرده و صفحه اول راهنمای آن را باز می‌کنیم. و بدون صرف وقت زیاد اولین تست کیس خود را، که از آن انتظار داریم "hello" را در کنسول چاپ کند، می‌نویسیم.‎


```java
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