빌더패턴이란? 빌더패턴 구현 public class Test { private String title; private String code; private int priority; private int grade; public int getTitle() { return title; } public void setTitle(String title) { this.title = title; } public int getCode() { return code; } public int setCode(String code) { this.code = code; } public int getPriority() { return priority; } public int setPriority(String priority) {..