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When comparing Common Lisp vs Java, the Slant community recommends Common Lisp for most people. In the question“What is the best programming language to learn first?” Common Lisp is ranked 19th while Java is ranked 56th. The most important reason people chose Common Lisp is:
Almost all aspects of the language are designed with interactive/repl use in mind.
Question Ranking
Pros
Pro Carefully designed for interactive use
Almost all aspects of the language are designed with interactive/repl use in mind.
Pro Very Powerful REPL with SLIME
SLIME (Superior Lisp Interaction Mode for Emacs).
Pro Condition/restart system
It is easy to recover from errors. Error resolution can be determined by the user at the REPL.
Pro Image based runtime
The state of the program may be saved and reloaded as an image, supporting safer modification of the running program. New code may be compiled into the image as the program runs, while late binding ensures that symbol redefinitions take effect throughout the program.
Pro Almost as fast as, or faster than, C
Some compilers such as SBCL can be faster than C or other low-level languages, and most compilers can generate fast native code.
Pro Verbosity
It makes it easy to debug and to read code.
Pro Mature ecosystem
The language and all its tools have enough time to age and they've aged well.
Pro Type-safe
It is easier to catch errors sooner.
Cons
Con Memory hungry
Running the virtual machine, application server and application itself consumes significant amount of resources.
Con Unnecessarily obtuse and verbose
If you like typing 40 lines of code to open a file, Java is the language for you. If, on the other hand, you’d actually like to get something done, look elsewhere.
Con Oracle
Enough said.
In more detail: Oracle has acquired Java from Sun and continues to surround it with controversy ever since (legendary lawsuit with google, money extortion from the enterprise users etc.).
