Week 1

Environment setup

How Java works

Types and Variables

Arrays

Basic IO

Control Flow

Packages

OOP in Java

Static Members

Practice

Assignment

Back end Track

Under construction

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Implementation plan:

• static fields — shared across all instances
• static methods — called on the class, not the instance
• When to use static: utility methods, constants, counters
• static final for constants
• Why main is static
• Static vs instance: decision criteria
• Utility classes pattern (e.g., Math, Collections)
• Common mistake: accessing instance members from a static context

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