What is Java?
 

Java is a most popular, robust, secure, platform independent and multithreading based high level programming language, because of this it is preferably used by many programmers. Java is a highly portable language as it must be executed through a cross-platform compatible Java Virtual Machine (JVM). Furthermore, Android apps are also developed using Java since the Android Operating System uses Java platform to run their programs. That’s why Java Professionals are having great opportunities in many companies.
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Java is a general-purpose, concurrent, object-oriented, class-based, and the runtime environment(JRE) which consists of JVM which is the cornerstone of the Java platform.

Java is a general-purpose programming language that is class-based, object-oriented, and designed to have as few implementation dependencies as possible

Java is object oriented programming language.