How Does Java Work Internally?
Java is platform-independent, secure, and robust because of its unique architecture — JDK, JRE, JVM, and Bytecode. A Java program starts with writing source code (.java), which is compiled by the Java compiler into platform-independent Bytecode (.class). The ClassLoader loads this bytecode into memory, verified for security, and then executed by the JVM using interpretation and JIT compilation. The JRE runs Java applications, while the JDK helps developers write and compile them. With automatic Garbage Collection, Java efficiently manages memory. Its Bytecode + JVM combo makes it truly “Write Once, Run Anywhere.” Learn these concepts practically at SevenMentor’s Java Training in Pune and become an expert in Core and Advanced Java.

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