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OOP/Java/Lab/Week10/student.java

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+import java.util.*;
+class studrecord{
+    String Name;
+    int rollno;
+    int marks[]=new int[3];
+    int percent=0;
+    studrecord(String name,int roll, int marks[])
+    {
+        Name=name;
+        rollno=roll;
+        this.marks=marks;
+        percent=(marks[0]+marks[1]+marks[2])/3;
+    }
+    char getgrade()
+    {    
+        if(percent>90)
+            return 'A';
+        else if(percent>80)
+            return 'B';
+        else if(percent>70)
+            return 'C';
+        return 'F'; 
+    } 
+}
+public class student {
+    public static void main(String[] args) {
+        Scanner in=new Scanner(System.in);
+        try{
+            System.out.println("Enter the name,roll number and the marks in 3 subjects simutaneously");
+            String name=in.nextLine();
+            int roll=Integer.parseInt(in.nextLine());
+            int marks[]=new int[3];
+            for(int i=0;i<3;i++)
+            {
+                int a=Integer.parseInt(in.nextLine());
+                marks[i]=a;
+            }
+            studrecord stud=new studrecord(name, roll, marks);
+            System.out.println("Succesfully Entered");
+            System.out.println("Percentage="+stud.percent+"%\nGrade:"+stud.getgrade());
+        }
+        catch(NumberFormatException e)
+        {
+            System.out.println("Error:NumberFormatException Occured");
+        }
+    }
+}