由於專案需要使用到 Gson, 先到這裡下載好 .jar 檔:
https://repo1.maven.org/maven2/com/google/code/gson/gson/
下面圖文說明如何 .jar 加入 eclipse中。
Right click on your project, Select Build Path, Configure Build Path
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Click on Libraries and select Add External JARs
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Select the jar file from the required folder, Click and Apply and Ok.
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