Is Java an API?

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Yes The Java API is the set of classes included with the Java Development Environment. These classes are written using the Java language and run on the JVM. The Java API includes everything from collection classes to GUI classes.
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No , Java is a language and technology . Plus Points of Java : 1. Java is open source. 2. Java is platform independent(Write once run everywhere). 3. Java does not affected by virus (Due to byte code) 4. Java give more security to a web application.
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Using This keyword : 1. It's point to current object. 2. It's call the constructor in same class.
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