How to Learn Java Primitive Types and Objects

A structured path through Java Primitive Types and Objects — from first principles to confident mastery. Check off each milestone as you go.

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Estimated: 9 weeks

1-2 weeks

Learn 8 primitives, sizes, ranges, defaults.

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1 week

Arithmetic, compound assignment, integer division.

1 week

Widening and narrowing conversions.

1-2 weeks

length(), substring(), indexOf(), equals().

1 week

abs(), pow(), sqrt(), random().

1-2 weeks

Primitive vs reference, null, autoboxing.

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