Question: Why am I getting a Null pointer exception here? How do I fix this? if (parent . right !=null){ b= (parent. right . height) ;

Why am I getting a Null pointer exception here? How do I fix this?

Why am I getting a Null pointer exception here? How do I

if (parent . right !=null){ b= (parent. right . height) ; else if (parent.right-null) parent. right . height =-1; parent.height-1+Math.max (a,b) parent-parent.parent

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