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Java Excel API (a.k.a. JXL API) ... Example. Sample code to write to an Excel file might look like as follows: import java.io.File; import jxl.Workbook; ...
Calculating trigonometric functions can substantially slow a computing application. The same application can finish much sooner when it first precalculates the sine of a number of values, for example for each whole number of degrees (The table can be defined as static variables at compile time, reducing repeated run time costs).
The Java RMI and Java EE APIs use the JNDI API to look up objects in a network. [3] The API provides: a mechanism to bind an object to a name; a directory-lookup interface that allows general queries; an event interface that allows clients to determine when directory entries have been modified
get the remainder from a division between two doubles dreturn af 1010 1111 value → [empty] return a double from a method dstore 39 0011 1001 1: index value → store a double value into a local variable #index: dstore_0 47 0100 0111 value → store a double into local variable 0 dstore_1 48 0100 1000 value → store a double into local variable 1
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Checks that the data is within a specified range of values, e.g., a probability must be between 0 and 1. Referential integrity Values in two relational database tables can be linked through foreign key and primary key. If values in the foreign key field are not constrained by internal mechanisms, then they should be validated to ensure that the ...
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The above example takes the conditional of Math.random() < 0.5 which outputs true if a random float value between 0 and 1 is greater than 0.5. The statement uses it to randomly choose between outputting You got Heads! or You got Tails! to the console. Else and else-if statements can also be chained after the curly bracket of the statement ...