Solved Textbook

import java.io.*;
import java.util.*;

class grade
{
   public static void main(String args[])
   {
   
      int n, m;
     
      System.out.println("Enter your name:- ");
      Scanner scanner = new Scanner(System.in);
      String name = scanner.nextLine();
     
      System.out.println("Enter your Class ");
      Scanner in = new Scanner(System.in);
      n = in.nextInt();
     
      System.out.println("Enter your Marks ");
      Scanner out = new Scanner(System.in);
      m = in.nextInt();
     
      if (m>100){System.out.println("Please enter your Actual marks -.- -.-");}
      else if(m>=80){System.out.println("Congrats You Got A Grade");}    
      else if (m>=70){ System.out.println("Congrats You Got B Grade");}
      else if (m>=60){System.out.println("WorkHard! You Got C Grade");}
      else if (m>=50){System.out.println(" Improve Yourself!! You Got D Grade");}
      else if (m>=40){System.out.println(" Improve! You Got E Grade");}
      else if (m<40) {System.out.println("Sorry You Have Failed");}
     
 
}
}

1. import java.util.*;
3. class GetCurrentDateAndTime
4. {
5. public static void main(String args[])
6. {
7.  System.out.println("Welcome To Date/Time by kidshelp & Computerwizardi");
8. int day, month, year;
9. int second, minute, hour;
10. GregorianCalendar date = new GregorianCalendar();
12. day = date.get(Calendar.DAY_OF_MONTH);
13. month = date.get(Calendar.MONTH);
14. year = date.get(Calendar.YEAR);
16. second = date.get(Calendar.SECOND);
17. minute = date.get(Calendar.MINUTE);
18. hour = date.get(Calendar.HOUR);
20. System.out.println("Current date is "+day+"/"+(month+1)+"/"+year);
21. System.out.println("Current time is "+hour+" : "+minute+" : "+second);
22. }
23. }

1. import java.util.Scanner;
3. class AddNumbers
4. {
5. public static void main(String args[])
6. {
7. int x, y, z;
8. System.out.println("Welcome!! Program by Kidshelp & Computerwizardi");
9. System.out.println("Enter two integers to calculate their sum ");
10. Scanner in = new Scanner(System.in);
11. x = in.nextInt();
12. y = in.nextInt();
13. z = x + y;
14. System.out.println("Sum of entered integers = "+z);
15. }
16. }

1. import java.util.Scanner;
3. class TablesbyKidshelp
4. {
5. public static void main(String args[])
6. {
7. int n, c;
8. System.out.println("Welcome To Tables by Kidshelp & Computerwizardi");
9. System.out.println("Enter an integer to print it's multiplication table");
10. Scanner in = new Scanner(System.in);
11. n = in.nextInt();
12. System.out.println("Multiplication table of "+n+" is :-");
14. for ( c = 1 ; c <= 10 ; c++ )
15. System.out.println(n+"*"+c+" = "+(n*c));
16. }
17. }

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