By M.T. Goodrich and R. Tamassia
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The good fortune of Fortran because the important programming language within the box of clinical and numerical computing is due, partly, to its regular evolution. Following the booklet of criteria in 1966 and 1978, the committee chargeable for their improvement, X3J3, labored along side an ISO committee to strengthen a regular compatible to be used within the 1990's and past.
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Extra resources for Data Structures and Algorithms in Java, 5th International student edition
3: The Java precedence rules. Operators in Java are evaluated according to the ordering above if parentheses are not used to determine the order of eval uation. Operators on the same line are evaluated in left-to-right order (except for assignment and prefix operations, which are evaluated right-to-Ieft), subject to the conditional evaluation rule for Boolean and and or operations. The operations are listed from highest to lowest precedence (we use exp to denote an atomic or paren thesized expression).
TIle above expression is equivalent to variable = variable op expression except that if variable contains an expression (for example, an array index), the expression is evaluated only once. Thus, the code fragment a 10; 5; a[i++] i 2; leaves a with value 12 and i with value 6. String Concatenation Strings can be composed using the concatenation operator (+), so that the code String String String String rug "carpet"; dog - "spot"; mess = rug + dog; answer::::: mess + II will cost me II + 5+ II hours!
0 Casting with Operators Certain binary operators, like division, will have different results depending on the variable types they are used with. We must take care to make sure operations per form their computations on values of the intended type. When used with integers, division does not keep track of the fractional part, for example. 0 Notice that when il and i2 were cast to doubles, regular division for real num . bers was performed. When i1 and i2 were not cast, the" /" operator performed an integer division and the result of il / i2 was the int O.