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📜  java.lang.nullpointerexception：无法调用“java.lang.charsequence.length()”,因为“this.text”为空 - Java 代码示例

📅  最后修改于: 2022-03-11 14:52:25.155000             🧑  作者: Mango

代码示例1
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.