# Problem analysis and algorithm design (i.e.: flowchart, algorithm)

ninenan
Problem analysis and algorithm design (i.e.: flowchart, algorithm)
Posted in : IDE Questions

Problem analysis and algorithm design (i.e.: flowchart, algorithm)for this question.Write a Java program that prompt user to input a number of students in a class. Then, prompt user to input the students programming mark. Determine how many student get A+ and A for their grade and how many students get D and E based on the following table:

Marks Grades 85-100 A+ 80-84 A 75-79 B+ 70-74 B 65-69 B- 60-64 C+ 55-59 C 50-54 C- 45-49 D+ 40-44 D 0 E.

October 24, 2011 at 11:37 AM

```import java.util.Scanner;

public class StudentMarks {

double totalMarks;

public void setTotalMarks(double totalMarks) {
this.totalMarks = totalMarks;
}

public double getTotalMarks() {
}

}

}

public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.print("Enter number of students: ");
int num = input.nextInt();
StudentMarks data[] = new StudentMarks[num];
for (int i = 0; i < data.length; i++) {
System.out.println("Enter marks");
double marks = input.nextDouble();
data[i] = new StudentMarks();
data[i].setTotalMarks(marks);
if (marks < 40) {
}
if (marks >= 40 && marks <= 44) {
}
if (marks >= 45 && marks <= 49) {
}
if (marks >= 50 && marks <= 54) {
}
if (marks >= 55 && marks <= 59) {
}
if (marks >= 60 && marks <= 64) {
}
if (marks >= 65 && marks <= 69) {
}
if (marks >= 70 && marks <= 74) {
}
if (marks >= 75 && marks <= 79) {
}
if (marks >= 80 && marks <= 84) {
}
if (marks >= 85 && marks <= 100)
}

int count1 = 0;
int count2 = 0;
int count3 = 0;
int count4 = 0;
for (int i = 0; i < num; i++) {
StudentMarks show = data[i];
if (g.equals("A+")) {
count1++;
}
if (g.equals("A")) {
count2++;
}
if (g.equals("D")) {
count3++;
}
if (g.equals("E")) {
count4++;
}
}
System.out.println("Number of student getting A and A+ grade: "
+ (count1 + count2));
System.out.println("Number of student getting D and E grade: "
+ (count3 + count4));
}
}
```

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