<%@ page contentType="text/html; charset=gb2312" %><!-- JSP指令标签 --> <%@ page import="java.util.*" %> <!-- JSP指令标签 --> <html> <!-- html标记符 --> <body> <% // 以下为java程序片 boolean booleanTemp=true; Boolean BooleanTemp=new Boolean(false); byte byteTemp=80; Byte ByteTemp=new Byte(byteTemp); char charTemp='c'; Character CharacterTemp=new Character(charTemp); int intTemp=234; Integer IntegerTemp=new Integer(intTemp); short shortTemp=235; Short ShortTemp=new Short(shortTemp); long longTemp=1234567; Long LongTemp=new Long(longTemp); float floatTemp=1.234F; Float FloatTemp=new Float(floatTemp); double doubleTemp=1.23E-8; Double DoubleTemp=new Double(doubleTemp); out.println("布尔型包装对象BooleanTemp值为:"+BooleanTemp.booleanValue()+"<br>"); out.println("字符型包装对象CharacterTemp值为:"+CharacterTemp.charValue()+"<br>"); out.println("整型包装对象IntegerTemp值为:"+IntegerTemp.intValue()+"<br>"); out.println("短整型包装对象ShortTemp值为:"+ShortTemp.shortValue()+"<br>"); out.println("字节型包装对象ByteTemp值为:"+ByteTemp.byteValue()+"<br>"); out.println("长整型包装对象LongTemp值为:"+LongTemp.longValue()+"<br>"); out.println("单精度包装对象FloatTemp值为:"+FloatTemp.floatValue()+"<br>"); out.println("双精度型包装对象doubleTemp值为:"+doubleTemp+"<br>"); %> </body> <!-- html标记符 --> </html>
JSP简单练习-包装类综合应用实例,布布扣,bubuko.com
时间: 2024-10-20 20:59:53