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What is a bytecode?
In Java, "bytecode" is the name given to the compiled class files. The "compilation" in this case is not for a specific processor, but rather for a kind of fictional processor - and it is meant to be run by a Java Virtual Machine.
What executes Bytecode?
An Interpreter
What does the byte code run on?
Bytecode runs on a virtual machine, which interprets or compiles it into machine code that can be executed by the underlying hardware. For example, Java bytecode runs on the Java Virtual Machine (JVM), while Python bytecode runs on the Python interpreter. This abstraction allows for platform independence, enabling the same bytecode to run on different systems without modification.
How do you recognize bytecode files?
you have to hack into the mainframe
How many bytes does a Java VM have?
A JVM, or Java Virtual Machine, creates the environment in which programs that run using Java bytecode are processed. It does not itself possess bytes or bytecode.
Why you use assembler?
Assemblers are used to convert a specific assembly language into bytecode.
Why use assembler?
Assemblers are used to convert a specific assembly language into bytecode.
Does the bytecode is different for every processor?
No, Java bytecode, just like the source code, is universal. The only parts that changes between different architectures are the Java Runtime Environment and its sub-components (such as the Java Virtual Machine).
Where does bytecode come from java?
It is created by the Java compiler, based on the source code (the .java file).
Why java has compiler and interpreter both?
Java is both compiled and interpreted language.First Java source code has to be translated into Byte code, which is done with the help of a compiler.But these byte codes are not machine instructions. Therefore ,in second stage this byte code has to be translated into machine code.This task is performed by an Interpreter.Hence, Java use both compiler and interpreter.
What is the software that interprets Java bytecode?
The software that interprets Java bytecode is known as the Java Virtual Machine (JVM). The JVM executes the bytecode generated by the Java compiler, allowing Java applications to run on any platform that has a compatible JVM installed. This platform independence is a key feature of Java, enabling the "write once, run anywhere" capability. Additionally, the JVM also provides features like memory management and garbage collection.
What do you get when you compile a java program?
The java interpreter or JVM (Java Virtual Machine) is not able to execute the java source code for a program. The java source code first needs to be compiled into bytecode that can be processed by JVM. Producing bytecode make the program platform independent as each platform has its own JVM. It is also possible to directly write bytecode, bypassing the need to compile, but that would be tedious job and also not good for security purpose as the compiler checks for various errors in a program.
