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<HTML><HEAD> <META NAME="GENERATOR" CONTENT="Adobe PageMill 2.0 Mac"> <LINK REL="STYLESHEET" HREF="ch02.css"> <TITLE> 2.4 Operators </TITLE></HEAD><BODY BGCOLOR="#ffffff"><P><HR ALIGN=LEFT></P><P><A HREF="ch02.htm">Chapter start</A> <A HREF="ch02.3.htm">Previous page</A> <A HREF="ch02.5.htm">Next page</A></P><H1><A NAME="pgfId=205"></A>2.4 Operators</H1><P><P CLASS="Body"><A NAME="pgfId=206"></A>Operators are single, double,or triple character sequences and are used in expressions. Section 4 discussesthe use of operators in expressions.</P><P><P CLASS="Body"><A NAME="pgfId=207"></A><I>Unary operators</I> shallappear to the left of their operand. <I>Binary operators</I> shall appearbetween their operands. A <I>conditional operator</I> shall have two operatorcharacters that separate three operands.</P><P><HR ALIGN=LEFT></P><P><A HREF="ch02.htm">Chapter start</A> <A HREF="ch02.3.htm">Previous page</A> <A HREF="ch02.5.htm">Next page</A></BODY></HTML>?? 快捷鍵說明
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