Check whether a string is not null and not empty

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予麋鹿
予麋鹿 2020-11-22 02:13

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          


        
30条回答
  •  情深已故
    2020-11-22 02:49

    Just adding Android in here:

    import android.text.TextUtils;
    
    if (!TextUtils.isEmpty(str)) {
    ...
    }
    

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