![]() Java development skills are highly sought after. Java also powers millions of set-top boxes and embedded devices. It is the native language for Google’s Android OS. Java is used for business, web, and mobile applications. It doesn’t always work perfectly, but when it does, a program written in Java can run on any platform with a compatible JVM. JVMs are available for most major operating systems, including Linux, Mac, and Windows. This was marketed as “write once, run anywhere.” The Java Virtual Machine (JVM) runs Java bytecode, which is compiled from the Java language. The promise of Java, beyond memory management, was its cross-platform capability. Manual memory allocation is tedious and error-prone, so Java was hailed as a major step forward for application developers. Before Java was introduced, languages that required manual memory management, such as C and C++, were dominant. Automatic memory management is one of the features that made Java so popular, quickly after its initial release. ![]() Java’s syntax is similar to C/C++, with curly braces for closures and semicolons to end statements. ![]() It was introduced in 1991 by Sun Microsystems as a high-level, compiled, memory-managed language. Java is the leading general-purpose application development language and framework.
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