8.2.1 Predefined types

8.2.1 Predefined types C# provides a set of predefined types, most of which will be familiar to C a

results in a compile-time error because the expression i = 0 is of type int, and if statements requ

DBMS_LOGMNRThe DBMS_LOGMNR package contains procedures used to initialize the LogMiner tool and to b

Network Working Group M. Murata Request for Comments: 3023 IBM Tokyo Research Laboratory Obsoletes

Network Working Group J. Rosenberg Request for Comments: 3009 dynamicsoft Category: Standards Trac

Network Working Group E. Whitehead Request for Comments: 2376 UC Irvine Category: Informational M.

Network Working Group E. Levinson Request for Comments: 1874 Accurate Information Systems, Inc. Ca

Network Working Group E.I. Ancona Request for Comments: 42 M.I.T. Lincoln Laboratory 31 March 197

Network Working Group P. Mockapetris Request for Comments: 1101 ISI Updates: RFCs 1034, 1035 April

浮点数字，也就是人们知道的实数（real），当计算的表达式有精度要求时被使用。例如，计算平方根，或超出人类经验的计算如正弦和余弦，它们的计算结果的精度要求使用浮点型。Java 实现了标准（IEEE