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Merged
merged 2 commits into from
May 20, 2018
Merged

Created HexaDecimalToDecimal.java #424

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0073605
Created HexaDecimalToDecimal.java
khairi96 Apr 20, 2018
d5c673a
Update HexaDecimalToDecimal.java
khairi96 May 19, 2018
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Created HexaDecimalToDecimal.java 
added HexaDecimalToDecimal.java on conversions.
it converts Hexadecimal input to decimal.
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@khairi96
khairi96 authored Apr 20, 2018
commit 00736054bcd20aa0a7aac8ef5139fba5db54a782
43 changes: 43 additions & 0 deletions Conversions/HexaDecimalToDecimal.java
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package Conversions;

import java.util.Scanner;

public class HexaDecimalToDecimal {

// convert hexadecimal to decimal
public static int getHexaToDec(String hex){
String digits = "012345678910ABCDEFF";
hex = hex.toUpperCase();
int val = 0;
for (int i = 0; i < hex.length(); i++)
{
char c = hex.charAt(i);
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  • This line is useless. Because you can add the result of hex.charAt(i) right away to the method indexOf(...) (below)

int d = digits.indexOf(c);
val = 16*val + d;
}
return val;
}

// Main method gets the hexadecimal input from user and converts it into Decimal output.

public static void main(String args[])
{
String hexa_Input;
int dec_output;
Scanner scan = new Scanner(System.in);

System.out.print("Enter Hexadecimal Number : ");
hexa_Input = scan.nextLine();

// convert hexadecimal to decimal

dec_output = getHexaToDec(hexa_Input);
/*
Pass the string to the getHexaToDec function
and it returns the decimal form in the variable dec_output.
*/
System.out.println("Number in Decimal: "+dec_output);


}
}