resultCalculator.java

package resultcalculator.java;

import java.util.Scanner;

public class ResultCalculatorJava {

    public static void main(String[] args) {

        System.out.println("Data Structure 3 Credit");
        System.out.println("Structure Programming 3 Credit");
        System.out.println("Algorithm 3 Credit");
        System.out.println("Database Management 3 Credit");
        System.out.println("Structure Programming Lab 1 Credit\n\n");
        Scanner scanner = new Scanner(System.in);

        float marksDataStruct;
        System.out.println("Enter Your Data Structure Mark : ");
        marksDataStruct = scanner.nextFloat();

        float marksStructure;
        System.out.println("Enter Your Structure Programming Mark : ");
        marksStructure = scanner.nextFloat();

        System.out.println("Enter Your Algoritm Mark : ");
        float marksAlgorithm;
        marksAlgorithm = scanner.nextFloat();

        float marksDatabase;
        System.out.println("Enter Your Database Management Mark : ");
        marksDatabase = scanner.nextFloat();

        float marksStructureLab;
        System.out.println("Enter Your Structure Programming Lab Mark : ");
        marksStructureLab = scanner.nextFloat();

        float cgDataStruct;
        cgDataStruct = cgpa(marksDatabase);
        System.out.println("your GPA in Data Structure is " + cgDataStruct);
        float cgStructure;
        cgStructure = cgpa(marksStructure);
        System.out.println("your GPA in Structure Programming is " + cgStructure);
        float cgAlgorithm;
        cgAlgorithm = cgpa(marksAlgorithm);
        System.out.println("your GPA in Algorithm is " + cgAlgorithm);
        float cgDatabase;
        cgDatabase = cgpa(marksDatabase);
        System.out.println("your GPA in Database Management is " + cgDatabase);
        float cgStructureLab;
        cgStructureLab = cgpa(marksStructureLab);
        System.out.println("your GPA in Structure Programming Lab is " + cgStructureLab);
        float result;
        result = (cgDataStruct * 3 + cgStructure * 3 + cgAlgorithm * 3 + cgDatabase * 3 + cgStructureLab * 1) / 13;
        System.out.println("Your total CGPA is " + result);
    }

    public static float cgpa(float marks) {
        float cg = 0;
        if (marks >= 80 && marks <= 100) {
            cg = 4.00f;
        }
        if (marks >= 75 && marks < 80) {
            cg = 3.75f;
        }
        if (marks >= 70 && marks < 75) {
            cg = 3.50f;
        }
        if (marks >= 65 && marks < 70) {
            cg = 3.25f;
        }
        if (marks >= 60 && marks < 65) {
            cg = 3.00f;
        }
        if (marks >= 50 && marks < 60) {
            cg = 2.75f;
        }
        if (marks >= 40 && marks < 50) {
            cg = 2.50f;
        }
        if (marks < 40 && marks >= 0) {
            cg = 0.00f;
        }
        return cg;
    }

}