Learningjava

© nabg © nabg Just another manner of speaking from the algol family selective information types Variables (and constants) Operators Expressions (same as always) burnt umber talking to basics Control track down Functions © nabg © nabg Algol language family Algol - AlgolW, Pascal, Modula2, Ada, Oberon, ... - CPL, BCPL, B, C C++ - Simula67 Java Eiffel - Algol68 Algol, 1960, initially conceived of as language for defining mathematical algorithms; implementations appeared by 1962 AlgolW (~1968), Pascal (~1970), Modula2 (~1978), Oberon (~1980s) N. Wirths family of languages primarily aimed at teaching programming Algol language family Algol - AlgolW, Pascal, Modula2, Ada, Oberon, ... - CPL, BCPL, B, C C++ - Simula67 Java Eiffel - Algol68 CPL overambitious Combined programing nomenclature proposal (early 1960s) with Algol like features and some business data touch features (akin to IBMs PL/1) BCPL tiny subset of CPL, easily compiled to effi cient computer compute, aimed rattling at systems programming tasks (op.

sys, utilities like editors, etc) C reworked BCPL © nabg © nabg All languages in family subscribe strong similarities Basic build in ( ill-mannered) data types Similar expressions Similar flow control inside a function Sequence Selection Iteration Data types A fewer built in (primitive) types, everything else will be an instance of a class Unlike C++, you enkindlet make your classes offshoot class types comparable in all respects to these built in types. Built in types (aka primitive types) whole number arithmetic characters real arithmetic B! oolean Similar function call mechanisms at once youve learnt one, you have good basis for switching to using another © nabg © nabg integer types C/C++ programs had portability problems related to integer types --- the number demoralise handled by a specific type is not describe in the standard! (Reason? This allows compiler writer to optimize code to suit capabilities of...If you want to get a full essay, bless it on our website: BestEssayCheap.com

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