Get empty string when null

Question

I want to get string values of my fields (they can be type of long string or any object),

if a field is null then it should return empty string, I did this with guav

Answer 1

If alternative way, Guava provides Strings.nullToEmpty(String).

Source code

String str = null;
str = Strings.nullToEmpty(str);
System.out.println("String length : " + str.length());

Result

0