Another Solution

IPA17/IPA17_AnotherSolution.java

@@ -0,0 +1,129 @@
+package IPA17;
+import java.util.*;
+public class IPA17_AnotherSolution 
+{
+    public static void main(String[] args) 
+    {
+        Scanner sc = new Scanner(System.in);
+        Stud[] s = new Stud[4];
+        for (int i = 0; i < s.length; i++) 
+        {
+            int a = sc.nextInt();sc.nextLine();
+            String b = sc.nextLine();
+            String c = sc.nextLine();
+            char d = sc.nextLine().charAt(0);
+            String e = sc.nextLine();
+
+            s[i] = new Stud(a,b,c,d,e);
+        }
+        char g = sc.nextLine().charAt(0);
+        int m = sc.nextInt();sc.nextLine();
+        Stud[] ans1 = findStudent(s,g,m);
+        if(ans1!=null)
+        {
+            for (int i = 0; i < ans1.length; i++) 
+            {
+                System.out.println(ans1[i].getName());
+                System.out.println(ans1[i].getSub());
+            }
+            System.out.println(ans1.length);
+        }
+        else
+        {
+            System.out.println("No student found");
+        }
+    }
+    public static Stud[] findStudent(Stud[]s, char g, int m)
+    {
+        Stud[] arr = new Stud[0];
+        for (int i = 0; i < s.length; i++) 
+        {
+            String[] month = s[i].getDate().split("/");
+            if(s[i].getGrade()==g && Integer.parseInt(month[1])==m)
+            {
+                arr = Arrays.copyOf(arr,arr.length+1);
+                arr[arr.length-1] = s[i];
+            }
+        }
+        Stud data;
+        for (int i = 0; i < arr.length-1; i++) 
+        {
+            for (int j = i+1; j < arr.length; j++) 
+            {
+                if(arr[i].getRoll()>arr[j].getRoll())
+                {
+                    data = arr[i];
+                    arr[i]=arr[j];
+                    arr[j]=data;
+                }
+            }
+        }
+        if(arr.length>0)
+        {
+            return arr;
+        }
+        else
+        {
+            return null;
+        }
+    }
+}    
+
+
+class Stud
+{
+    private int roll;
+    private String name;
+    private String sub;
+    private char grade;
+    private String date;
+
+    public Stud(int roll, String name, String sub, char grade, String date)
+    {
+        this.roll = roll;
+        this.name = name;
+        this.sub = sub;
+        this.grade = grade;
+        this.date = date;
+    }
+
+    public int getRoll() {
+        return roll;
+    }
+
+    public void setRoll(int roll) {
+        this.roll = roll;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getSub() {
+        return sub;
+    }
+
+    public void setSub(String sub) {
+        this.sub = sub;
+    }
+
+    public String getDate() {
+        return date;
+    }
+
+    public void setDate(String date) {
+        this.date = date;
+    }
+
+    public char getGrade() {
+        return grade;
+    }
+
+    public void setGrade(char grade) {
+        this.grade = grade;
+    }
+}