null pointer exception when checking for null with == in java
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What is a NullPointerException, and how do I fix it?
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Null Pointer Exception in XMl Parsing
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C# .Equals(), .ReferenceEquals() and == operator
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InputStream returning NullPointerException (Java)
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Why doesn't this method work? Java ternary operator
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Is there any difference in equals and == for String variables?
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Java comparison with == of two strings is false?
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PHP considers null is equal to zero
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IllegalArgumentException or NullPointerException for a null parameter?
23964
Why does Java have a "NullPointerException" when there are no pointers in Java?
79477
Why is "null" present in C# and Java?
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How do I compare strings in Java?
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Comparing strings with == which are declared final in Java
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String.equals versus ==
120071
Checking for a null int value from a Java ResultSet
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Null pointer Exception - findViewById()
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Does setting Java objects to null do anything anymore?