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By Now You Almost Certainly Have Run a Java Program

question 58

Essay

By now you almost certainly have run a Java program that has experienced a NullPointerException. Explain the reason(s) that a NullPointerException may be generated.


Definitions:

Primary Reinforcer

A stimulus that is inherently rewarding and satisfies a basic biological need, such as food or water.

Positive Reinforcer

A motivator that, when given after a specific behavior, boosts the chance of that behavior being replicated.

Secondary Reinforcer

A stimulus that has acquired the property of reinforcing behaviors through association with a primary reinforcer.

Watson

John B. Watson was an American psychologist who established the psychological school of behaviorism, emphasizing the importance of observable behaviors.

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