The four basic principles of OOPs are 1...class and object..2...Encapsulations(Data hiding)..3...Inheritance..4...Polymorphism...
Nutritional food buying emphasizes the "Basic Four".
simple, brief,versatile, and secure
rescue alarm confine extinguish
Simple, brief, versatile, secure
Military Neccessity, Distinction, Proportionality, Unneccessary Suffering, and Chivalry
clean, separate, cook, and chill
The main principles of building are safety, durability, functionality, and aesthetics. These principles ensure that the structure is structurally sound, long-lasting, serves its intended purpose effectively, and looks visually appealing.
The four fundamental ethical principles are:The Principle of Respect for AutonomyThe Principle of BeneficenceThe Principle of NonmaleficenceThe Principle of Justice
The four basic food groups will do this for you.
sunlight, water , food , air
The four basic needs of every organisms are shelter, food, water and air. These things come together to create an organisms ecosystem.