1. Constructor-based Dependency Injection (생성자 기반의 의존성 주입) package examples; public class ExampleBean { // Number of years to calculate the Ultimate Answer private int years; // The Answer to Life, the Universe, and Everything private String ultimateAnswer; public ExampleBean(int years, String ultimateAnswer) { this.years = years; this.ultimateAnswer = ultimateAnswer; } } 위와 같이 자바의 생성자가 정의될 때 ne..