bilow.java

public class Main {
    public static void main(String[] args) {
        System.out.println("Hello, World!");
    }
}
system.out.println("i am learning git");
public class Main {
    public static void main(String[] args) {
        int number = 10;
        System.out.println("The number is: " + number);
    }
}
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);

        System.out.print("Enter your name: ");
        String name = input.nextLine();

        System.out.println("Hello, " + name + "!");
    }
}
import java.util.Scanner;

public class StudentGrades {

    public static double calculateAverage(int[] grades) {
        int sum = 0;

        for (int grade : grades) {
            sum += grade;
        }

        return (double) sum / grades.length;
    }

    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);

        int[] grades = new int[5];

        System.out.println("Enter 5 grades:");

        for (int i = 0; i < grades.length; i++) {
            System.out.print("Grade " + (i + 1) + ": ");
            grades[i] = input.nextInt();
        }

        double average = calculateAverage(grades);

        System.out.println("\nAverage Grade: " + average);

        if (average >= 90) {
            System.out.println("Excellent!");
        } else if (average >= 75) {
            System.out.println("Good Job!");
        } else if (average >= 50) {
            System.out.println("Pass");
        } else {
            System.out.println("Fail");
        }

        input.close();
    }
}