Alternatives: Java/Hot Java
Java:
- OO language under development at Sun: a better C++.
- Safe implementation: no pointers.
- Multi-threading.
- Compiles to portable byte codes, then to machine code.
- Implementations for UNIX, PCs, Macs.
- Relative to Tcl: lower-level, but more efficient.
Security:
- Safe language.
- Incoming scripts tagged, system code can tell if untrusted script is executing.