java.lang.nullpointerexception: cannot invoke "java.lang.charsequence.length()" because "this.text" is null 1

java.lang.nullpointerexception: cannot invoke “java.lang.charsequence.length()” because “this.text” is null

The object "this.text" is null, and the program is trying to get the "length();"
of the object. Initialize "this.text" first, or check if "this.text" is not null.

Here is what the above code is Doing:
1. The program is trying to get the length of the object “this.text”.
2. The object “this.text” is null, and the program is trying to get the “length();”
of the object. Initialize “this.text” first, or check if “this.text” is not null.

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