import java.util.Scanner;
public class DecHex {
public static void main(String [] args) {
Convert number=new Convert(); //instanciation of the objet number
String res=""; //declaration of the string to show the result
Scanner sc=new Scanner(System.in);
System.out.println("Enter the decimal number to be converted");
String decimal=sc.nextLine();
if(number.verifBase10(decimal)) {
int number1=number.toInt(decimal); //Conversion of the string in to number
res=number.ToHexa(number1);
System.out.println("Here is the hexidecimal value: "+res);
}
else {
System.out.println("Error. Please check the number you have entered");
}
}
}
class Convert{
boolean verifBase10(String sDecimal) // method which test the entered number
{
boolean test = true;
String chiffreDecimal= "0123456789";
if(sDecimal.length() == 0)
return false;
for(int i = 0; i < sDecimal.length() ;i++)
if(chiffreDecimal.indexOf(sDecimal.charAt(i)) == -1)
{
test = false;
break;
}
return test;
}
int toInt(String number) {
int num=Integer.parseInt(number);
return num;
}
String ToHexa(int num) {
int rem;
String str2="";
char hex[]= {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
while(num >0 && num<=65535)
{
rem=num%16;
str2=hex[rem]+str2; //conversion in hexadecimal code
num=num/16;
}
return str2;
}
}
For further actions, you may consider blocking this person and/or reporting abuse
Top comments (0)