Java Basics notes.pdf

2. The library. The Java class library is available on any machine with a Java runtime system, because a portable program is of no use if you cannot use the same class library on every platform. Window-manager function calls in a Mac application written in C/C++, for example, do not port well to a PC. 3. The byte code. The Java runtime system does not compile your source code directly into machine language, an inflexible and nonportable representation of your program. Instead, Java programs are translated into machine-independent byte code. The byte code is easily interpreted and therefore can be executed on any platform having a Java runtime system. (The latest versions of the Netscape Navigator browser, for example, can run applets on virtually any platform).

Java Basics notes.pdf

2. The library. The Java class library is available on any machine with a Java

runtime system, because a portable program is of no use if you cannot use the

same class library on every platform. Window-manager function calls in a Mac

application written in C/C++, for example, do not port well to a PC.

3. The byte code. The Java runtime system does not compile your source code

directly into machine language, an inflexible and nonportable representation of

your program. Instead, Java programs are translated into machine-independent

byte code. The byte code is easily interpreted and therefore can be executed on

any platform having a Java runtime system. (The latest versions of the Netscape

Navigator browser, for example, can run applets on virtually any platform).





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