<p><br> </p>
<p><br> </p>
<p></p>
<p style="margin-top:0px; margin-bottom:0px; padding-top:5px; padding-bottom:5px; font-size:14px; font-family:Tahoma,Helvetica,Arial,宋体,sans-serif; line-height:25px"> <strong>赋值运算符</strong></p>
<p style="margin-top:0px; margin-bottom:0px; padding-top:5px; padding-bottom:5px; font-size:14px; font-family:Tahoma,Helvetica,Arial,宋体,sans-serif; line-height:25px"> 赋值符号“=”就是赋值运算符，它的作用是将一个数据赋给一个变量。如“a=3”的作用是执行一次赋值操作(或称赋值运算)。把常量3赋给变量a。也可以将一个表达式的值赋给一个变量。<br> <strong>赋值过程中的类型转换</strong></p>
<p style="margin-top:0px; margin-bottom:0px; padding-top:5px; padding-bottom:5px; font-size:14px; font-family:Tahoma,Helvetica,Arial,宋体,sans-serif; line-height:25px"> 如果赋值运算符两侧的类型不一致，但都是数值型或字符型时，在赋值时会自动进行类型转换。</p>
<p style="margin-top:0px; margin-bottom:0px; padding-top:5px; padding-bottom:5px; font-size:14px; font-family:Tahoma,Helvetica,Arial,宋体,sans-serif; line-height:25px"> 1) <span style="color:#ff0000">将浮点型数据(包括单、双精度)赋给整型变量时，舍弃其小数部分</span>。</p>
<p style="margin-top:0px; margin-bottom:0px; padding-top:5px; padding-bottom:5px; font-size:14px; font-family:Tahoma,Helvetica,Arial,宋体,sans-serif; line-height:25px"> 2) <span style="color:#ff0000">将整型数据赋给浮点型变量时，数值不变，但以指数形式存储到变量中</span>。</p>
<p style="margin-top:0px; margin-bottom:0px; padding-top:5px; padding-bottom:5px; font-size:14px; font-family:Tahoma,Helvetica,Arial,宋体,sans-serif; line-height:25px"> 3) <span style="color:#ff0000">将一个double型数据赋给float变量时，要注意数值范围不能溢出</span>。</p>
<p style="margin-top:0px; margin-bottom:0px; padding-top:5px; padding-bottom:5px; font-size:14px; font-family:Tahoma,Helvetica,Arial,宋体,sans-serif; line-height:25px"> 4) <span style="color:#ff0000">字符型数据赋给整型变量，将字符的ASCII码赋给整型变量</span>。</p>
<p style="margin-top:0px; margin-bottom:0px; padding-top:5px; padding-bottom:5px; font-size:14px; font-family:Tahoma,Helvetica,Arial,宋体,sans-serif; line-height:25px"> 5) <span style="color:#ff0000">将一个int、short或long型数据赋给一个char型变量，只将其低8位原封不动地送到char型变量(发生截断)</span>。例如<br> </p>
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