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