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Attempt to invoke virtual method 'boolean java.lang.String.equals(java.lang.Object)' on a null obje - 台部落
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Back to basics: Why you should use .Equals() instead of == when comparing objects to avoid chaos. | by Nikhil Koyikkamannil | Medium
![java.lang.NullPointerException: Cannot invoke method contains() on null object - Web Testing - Katalon Community java.lang.NullPointerException: Cannot invoke method contains() on null object - Web Testing - Katalon Community](https://forum.katalon.com/uploads/default/original/2X/0/093582861f7cfd6dc342b6c57b707815a64a5caf.png)
java.lang.NullPointerException: Cannot invoke method contains() on null object - Web Testing - Katalon Community
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