Exception in thread "main" java.lang.NullPointerException at examples.Anagram.main(Anagram.java:20)
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What is a NullPointerException, and how do I fix it?
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java.lang.NumberFormatException: Invalid int: ""
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*.xhtml url-pattern causes java.lang.NullPointerException at com.sun.faces.context.flash.ELFlash.loggingGetPhaseMapForReading
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Why main() method is needed in java main class
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What is a NumberFormatException and how can I fix it?
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Nullpointerexception while setting a bean
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Why does null reference print as "null"
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How to avoid ArrayIndexOutOfBoundsException or IndexOutOfBoundsException?
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What is a NullReferenceException, and how do I fix it?
20020
NullPointerException accessing views in onCreate()
129085
What is "String args[]"? parameter in main method Java
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The method getText() is undefined for the type String error
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IllegalArgumentException or NullPointerException for a null parameter?
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Java - Could not find the main class
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What is an "index out of range" exception, and how do I fix it?
146476
Java: Why aren't NullPointerExceptions called NullReferenceExceptions?
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NullPointerException but compiling?