JLPT(日本語能力試験 The Japanese-Language Proficiency Test), is a standardized Japanese language exam to certify Japanese language proficiency for non-native speakers. It covers language knowledge, reading ability, and listening ability. The test is held twice a year in Japan and selected countries (on the first Sunday of July and December), and once a year in other regions (on the first Sunday of December).
You can find the detail of JLPT here:
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