ELI5: Explain Like I'm 5

Java bytecode

Java bytecode is like a set of instructions for the computer to follow for a specific program written in the Java programming language. Think of it like a recipe you follow in the kitchen - the instructions tell you what to do, and in what order. If you don't follow the instructions, then the program will not work correctly. Java bytecode can be thought of as a "language" that computers understand, which is why we use it when writing programs in Java. When Java code (like a program you might write in your text editor or using an online coding tool) is run, it is transformed into Java bytecode. This allows the Java program to be run on multiple platforms (like Windows or Mac OS) without needing to be rewritten for each one.