isblank

Difference between isNotEmpty and isNotBlank in StringUtils, stringutils. isblank The operation object of the StringUtils method is java. lang. string-type objects are complementary to the String-type operation method provided by JDK, and are

The operation object of the stringutils method is Java. lang. string-type objects are complementary to the string-type operation method provided by JDK, and are null safe (that is, if the input parameter string is null, nullpointerexception is not

Recently, the compilation warning has been cleared for previously written code, but an isblank warning has never been cleared.   The example source code is as follows:   # Include # include int main () { char a = 'a'; printf ("% d/N ", isblank

Excel table Isblank function using the method diagram. Isblank function is a function that checks whether a text uses empty cells, returns True, or returns false, how do you use the Isblank function in an Excel table? The following small series for

I believe many Java programmers when writing code when it is necessary to determine whether a string is empty when the StringUtils class will use the Isblank and IsEmpty methods, what is the difference between the two methods? Let's use a piece of

StringUtils in Commons-lang-2.2.jar bag: org.apache.commons.lang.StringUtils;The action object of the StringUtils method is an object of type java.lang.String, a supplement to the string manipulation method provided by the JDK, and Null is safe (

IsEmpty Determines whether a string is empty, the standard for null is str== null 或 str.length()== 0Stringutils.isempty ( null ) = 

The operation object of the stringutils method is Java. lang. string-type objects are complementary to the string-type operation method provided by JDK, and are null safe (that is, if the input parameter string is null, nullpointerexception is not

Usage of StringUtils in the Common-lang Package The operation object of the StringUtils method is java. lang. string-type objects are complementary to the String-type operation method provided by JDK, and are null safe (that is, if the input

The operation object of the StringUtils method is java. lang. string-type objects are complementary to the String-type operation method provided by JDK, and are null safe (that is, if the input parameter String is null, NullPointerException is not