Question
Jan Villaroel
Topic: Computer Science Posted 1 year ago
What is the Endian? What does Endian refer to in terms of processor architecture? Your VM is running on an X86_64 processor architecture. What is the Endian of this architecture?

What is the Endian? The endian of this architecture is BIG

What does Endian refer to in terms of processor architecture? Your VM is running on an X86_64 processor architecture. What is the Endian of this architecture?

Is it the same as the program? If not, what does this confirm what we know about how Java runs .class bytecode?


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Koala Tutor
Nov 24, 2023
Koala Ai Support

Endian refers to the order in which bytes are stored in memory. There are two types of Endian systems: Big Endian and Little Endian.

In a Big Endian system, the most significant byte is stored in the smallest memory address, while the least significant byte is stored in the largest address. On the other hand, in a Little Endian system, the least significant byte is stored in the smallest memory address, and the most significant byte is stored in the largest address.

In terms of X86_64 processor architecture, it is a Little Endian system. Therefore, the Endian of this architecture is Little.

The Endian of the processor architecture does not necessarily match the Endian of the program. However, Java ensures platform independence by defining the Endian format for .class bytecode. The .class bytecode is always in Big Endian format, regardless of the underlying system architecture. This confirms that Java runs the bytecode in a consistent and standardized manner across different platforms.

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