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Can you run a program that has a compiler error?
No, a program with a compiler error cannot be executed.
What is the issue with the method call int result = doStuff(30);?
The method doStuff() does not return a value, hence cannot be assigned to an int variable.
What is the term for the constructor that takes no arguments?
Default constructor.
Is String a primitive type?
No, String is not a primitive type; it is an object in Java.
What is the first method that gets run when you run a Java program?
The main method.
What are the differences between a primitive type variable and an object?
Primitive type variables store simple values directly, while objects store references to memory locations and can have methods and properties.
How long does an instance variable last? How long does a local variable exist?
An instance variable lasts as long as the object exists, while a local variable exists only within the method where it is defined.