35 multiple-choice questions in College Board exam style. Each has four choices and a full explanation of why each option is right or wrong.
Know the parts of a class (instance variables, constructor, and methods) and their access modifiers.
Constructors have no return type and share the class’s name.
static means class-level; instance members belong to an object and can use this.
Read the explanations even when you got it right, and remember primitives are passed by value.