first commit

J05082 - DANH SÁCH KHÁCH HÀNG.java

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+import java.util.*;
+import java.text.*;
+
+public class Main {  
+
+    static String cleanName(String name){
+        String[] a = name.trim().split("\\s+");
+        for(int i=0;i<a.length;i++){
+            a[i] = Character.toString(a[i].charAt(0)).toUpperCase() + a[i].substring(1).toLowerCase();
+        }
+        return String.join(" ", a);
+    }
+
+    static String cleanDate(String date){
+        String a[] = date.split("/");
+        a[0] = String.format("%02d", Integer.parseInt(a[0]));
+        a[1] = String.format("%02d", Integer.parseInt(a[1])); 
+        return String.join("/", a);
+    }
+
+    static class ob {
+        String code, name, sex, strdate, address;
+        Long date;
+
+        public ob(int i, String name, String sex, String date, String address){
+            this.code = "KH" + String.format("%03d", i);
+            this.name = cleanName(name);
+            this.sex = sex;
+            this.address = address;
+            this.strdate = cleanDate(date);
+            SimpleDateFormat f = new SimpleDateFormat("dd/mm/yyyy");
+            try{
+                this.date = f.parse(this.strdate).getTime();
+            }catch(ParseException e){
+
+            }
+        }
+
+        @Override 
+        public String toString(){
+            return code + " " + name + " " + sex + " " + address + " " + strdate;
+        }
+    }
+
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        ArrayList<ob> a = new ArrayList<>();
+        int n = sc.nextInt();
+        sc.nextLine();
+        for(int i=0;i<n;i++){
+            a.add(new ob(i+1, sc.nextLine(), sc.nextLine(), sc.nextLine(), sc.nextLine()));
+        }
+        a.sort((ob x, ob y) ->{
+            if(x.date.compareTo(y.date)==0){
+                return x.code.compareTo(y.code);
+            }
+            return x.date.compareTo(y.date);
+        });
+        a.forEach(e -> System.out.println(e));
+    }
+}