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How do I open the "API" for a cod #4

Closed Emilysea closed 6 years ago

Emilysea commented 6 years ago

This is the instruction Open the API for String. Scroll down to the Method Summary section and find the indexOf(String str) method

How do I open the API?

notcome commented 6 years ago

Open means look up the documentation. You could Google Java String APIs. Be careful with the version of Java you are using.