Page 623 - ComputerScience_Class_11

41 }
42
43 if (!found)
44 {

System.out.println("Student with roll number " + rollnoToSearch +
45 " not found.");
46 }
47 dis.close();
48 }
49 public static void main(String[] args) throws IOException
50 {
51 StudentBinaryFile obj = new StudentBinaryFile();
52 obj.createFile();
53 Scanner sc = new Scanner(System.in);
54 System.out.print("Enter roll number to search: ");
55 int rollnoToSearch = sc.nextInt();
56 obj.searchStudent(rollnoToSearch);
57 }
58 }

The output of the preceding program is as follows:
BlueJ: Terminal Window - Java

Options

Enter roll number: 101
Enter student name: Amit
Do you want to add another student? (y/n): Y
Enter roll number: 102
Enter student name: Amrit
Do you want to add another student? (y/n): N
Student records have been written to the file.
Enter roll number to search: 101
Student found: Roll No: 101, Name: Amit

PYTHON
29. Write a program to calculate simple interest.
Program 29.py

File Edit Format Run Options Window Help

p = float(input('Enter the principal: '))
r = float(input('Enter rate of interest: '))
t = float(input('Enter time duration in years: '))
si = (p * r * t) / 100
print('Simple Interest:', si)

Internal Assessment 621