cn.starboot.http.common.utils

类 NumberUtils

java.lang.Object

cn.starboot.http.common.utils.NumberUtils

public class NumberUtils
extends Object

Provides extra functionality for Java Number classes.

从以下版本开始:

2.0

版本:

$Id: NumberUtils.java 1507169 2013-07-26 01:03:52Z sebb $

构造器概要

构造器

构造器和说明
NumberUtils() NumberUtils instances should NOT be constructed in standard programming.

方法概要

限定符和类型	方法和说明
static int	toInt(String str, int defaultValue) Convert a String to an int, returning a default value if the conversion fails.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

NumberUtils

public NumberUtils()

NumberUtils instances should NOT be constructed in standard programming. Instead, the class should be used as NumberUtils.toInt("6");.

This constructor is public to permit tools that require a JavaBean instance to operate.

方法详细资料

toInt

public static int toInt(String str,
                        int defaultValue)

Convert a String to an int, returning a default value if the conversion fails.

If the string is null, the default value is returned.

   NumberUtils.toInt(null, 1) = 1
   NumberUtils.toInt("", 1)   = 1
   NumberUtils.toInt("1", 0)  = 1
 

参数:

str - the string to convert, may be null

defaultValue - the default value

返回:

the int represented by the string, or the default if conversion fails

从以下版本开始:

2.1