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JDK has a compiler that converts your Java code to bytecode and bytecode is platform-independent. JVM can read this bytecode and using an interpreter convert them to OS-specific instructions which vary based on your OS. All JDK, JRE, and JVM are platform-dependent. But JAVA is platform-independent because bytecode is platform-independent.
Jul 25, 2024 · The meaning of Java platform-independent is that the Java compiled code (byte code) can run on all operating systems. A program is written in a language that is human-readable. It may contain words, phrases, etc. which the machine does not understand. For the source code to be understood by the machine, it needs to be in a language understood ...
- Memory Areas in The JVM class/method Area
- Heap
- Language Stack For JVM
- PC Registration System
Method names, class names, and variable names are among the data it stores. It serves as a centralized resource for all the methods and variables in a class. It functions as a memory that holds necessary data to complete the task. It is shared across all the threads of the computer. The execution will determine if it is a fixed or expandable size.
The Heap keeps track of all the data that is kept in its area. It keeps the data in a specific amount that won't be known until the programme has been executed. It is utilized all through the programme. It is utilized for the allocation of dynamic memory. In the heap region, new items are developed.
When a function is executed, it keeps the current data in blocks, also known as frames or stack-frames maintain local variables and are heavily involved in thread management.
The address of the instruction that is currently being run is stored there. It is beneficial when there are multiple threads being executed.
- Simplilearn
JVM (Java Virtual Machine) is an abstract machine that enables your computer to run a Java program. When you run the Java program, Java compiler first compiles your Java code to bytecode. Then, the JVM translates bytecode into native machine code (set of instructions that a computer's CPU executes directly). Java is a platform-independent language.
Sep 1, 2023 · Conclusion. Java’s platform independence is a result of its bytecode compilation and the Java Virtual Machine. The JVM abstracts away the underlying hardware and operating system, allowing Java code to run on any platform with the appropriate JVM implementation. Additionally, the rich standard library and third-party libraries help developers ...
Apr 18, 2023 · JVM is a software engine that executes Java bytecode, while JDK and JRE are software environments that include the JVM. JDK and JRE are platform-dependent, while JVM is platform-independent.
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Jun 18, 2013 · 38. Platform independence in software means that you can run the same code with little or no modification on multiple platforms. The devil is in the details: It depends on what you define as "the platform". In some cases, this may be a specific hardware machine configuration. In other cases, it may be a "generic PC".
