Check whether a string is not null and not empty

Question

How can I check whether a string is not null and not empty?

public void doStuff(String str)
{
    if (str != null && str != \"**here I want to check          


        

Answer 1

Use Apache StringUtils' isNotBlank method like

StringUtils.isNotBlank(str)

It will return true only if the str is not null and is not empty.