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Java Coding Basics: Learn to Program from Scratch

Updated April 23, 20261 Mins read95

Write and run Java programs using proper class and main method structure
Declare variables and work with primitive data types including int, double, boolean, and char
Manipulate text using String methods and concatenation in Java
Control program flow with if-else statements, switch blocks, and the ternary operator
Build for loops, while loops, and do-while loops to automate repetitive tasks
Create, access, and iterate over arrays to manage collections of data
Define reusable methods with parameters, return values, and overloading
Design custom classes with constructors, instance methods, and encapsulation
Understand the static keyword and how it differs from instance-level members
Use ArrayList to create flexible, dynamic collections in Java