Portable (Generic meaning like transferable, Platform Independent, or even in terms of the Source code is fix for all i.e Simply means support to many) Java Portable means java machine code write in one machine and will run on any machine that has proper JVM with respect to O.S.

Synonyms for ROBUST: healthy, sturdy, well, strong, whole, wholesome, fit, hale; Antonyms of ROBUST: weak, feeble, sick, unhealthy, unfit, ill, unsound, diseased