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Android Build a Simple Android App (2014) Basic Android Programming Using Empty Strings

Posted by MUZ140584 Heredity Mbundire
MUZ140584 Heredity Mbundire
4,979 Points

These two variables need to be initialized with empty strings to prevent an app crash. Do it!

string title; string author;

EmptyStrings.java 
String title;
String author;

1 Answer

Daniel Hartin
Daniel Hartin
18,106 Points
Daniel Hartin
Daniel Hartin
18,106 Points

Hi

It is usually good practice to initialize variables with a default value, this is so if for any reason your variable doesn't get given a value in your code it already has a value of some kind to show or work with.

As the variable type is String we can initialize them using empty double quotes as shown below.

String title = "";
String author = "";

Hope this helps

Daniel

Jonthue Michel
Jonthue Michel
1,462 Points
Jonthue Michel
Jonthue Michel
1,462 Points

I get it now, so it is not wise to just leave String title and then end it off with ;. But by putting String title = ""; then it can be set for default without messing up or crashing. Thanks!