응용문제 - 은행
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Java
추상클래스.javapackage method;import java.text.SimpleDateFormat;import java.util.ArrayList;import java.util.Date;import java.util.Scanner;public abstract class ab_box3 { Integer total = 0; final String menus[] = {"1. 신한", "2. 농협", "3. 국민", "4. 하나"}; Scanner sc = new Scanner(System.in); ArrayList> bank = null; ArrayList acc = null; public String today() { Date day = new Date(); SimpleDateFormat sf ..