If you notice the simple Java class like String, it is a part of the java.lang package. It contains a large number of classes that we use commonly in our code. There are two types of packages in Java, built-in packages and the user-defined packages.īuilt-in packages are the packages that are part of the Java API. Did you ever think about how they manage to organize that much amount of code efficiently? Giants like Google, Facebook, and Microsoft use Java for many applications. Have you read the famous line come on your screen while installing Java, Java is simple, object-oriented, robust, secure and architecture-neutral. Java is one of the most popular programming languages. Java Packages: Original photo by chuttersnap on Unsplash
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