IR

Author: dungnguyen-art

CodePtit/src/main/java/Handling_File/DS_SinhVienFileVB/DanhSach.java

@@ -0,0 +1,32 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package Handling_File.DS_SinhVienFileVB;
+
+/**
+ *
+ * @author Admin
+ */
+import java.io.*;
+import java.util.*;
+public class DanhSach {
+    public static void main(String[] args) throws FileNotFoundException {
+        File myFile = new File("SINHVIEN.in");
+        Scanner input = new Scanner(myFile);
+        int test = Integer.parseInt(input.nextLine());
+        ArrayList<SinhVien> arr = new ArrayList<>();
+        for(int i=1;i<=test;i++){
+            String ten = input.nextLine();
+            String lop = input.nextLine();
+            String ngSinh = input.nextLine();
+            float gpa = Float.parseFloat(input.nextLine());
+            SinhVien sv = new SinhVien(i,ten,lop,ngSinh,gpa);
+            arr.add(sv);
+        }
+        for(SinhVien i: arr){
+            System.out.println(i.toString());
+        }
+    }
+}

CodePtit/src/main/java/Handling_File/DS_SinhVienFileVB/SV.in

@@ -0,0 +1,5 @@
+1
+nGuyEn  vaN    biNH
+D20CQCN01-B
+2/12/2002
+3.1

CodePtit/src/main/java/Handling_File/DS_SinhVienFileVB/SinhVien.java

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+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package Handling_File.DS_SinhVienFileVB;
+
+/**
+ *
+ * @author Admin
+ */
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+public class SinhVien {
+    private int id;
+    private String ten, lop, ngSinh;
+    private float gpa;
+
+    public SinhVien(int id, String ten, String lop, String ngSinh, float gpa) {
+        this.id = id;
+        this.ten = ten;
+        this.lop = lop;
+        this.ngSinh = ngSinh;
+        this.gpa = gpa;
+    }
+
+    public String getTen() {
+        String[] tmp = ten.toLowerCase().split("\\s+");
+        String res = "";
+        for(int i=0;i<tmp.length;i++){
+            String s1 = tmp[i].substring(0,1).toUpperCase() + tmp[i].substring(1);
+            res += s1 + " ";
+        }
+        return res;
+    }
+    
+
+    public String getId() {
+        String res = "";
+        if(id >= 10){
+            res += "B20DCCN0" + String.valueOf(id);
+        }
+        else{
+            res += "B20DCCN00" + String.valueOf(id);
+        }
+        return res;
+    }
+
+    public String getNgSinh(){
+        SimpleDateFormat formater = new SimpleDateFormat("dd/MM/yyyy");
+        Date date = null;
+        try {
+            date = formater.parse(ngSinh);
+        } catch (ParseException ex) {
+            Logger.getLogger(SinhVien.class.getName()).log(Level.SEVERE, null, ex);
+        }
+        String dob = formater.format(date);
+        return dob;
+    }
+
+    public String getGpa() {
+        String res = String.valueOf(gpa);
+        if(res.length()== 3){
+            res += "0";
+        }
+        return res;
+    }
+
+    @Override
+    public String toString() {
+        return getId() + " " + getTen() + lop + " " + getNgSinh() + " " + getGpa();
+    }
+    
+    
+}