33 lines
1.0 KiB
Java
33 lines
1.0 KiB
Java
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import java.lang.StringBuilder;
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import java.util.Scanner;
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class Test {
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private static final int sizeOfIntInHalfBytes = 8;
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private static final int numberOfBitsInAHalfByte = 4;
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private static final int halfByte = 0x0F;
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private static final char[] hexDigits = {
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'0', '1', '2', '3', '4', '5', '6', '7',
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'8', '9', 'A', 'B', 'C', 'D', 'E', 'F'
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};
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public static String decToHex(int dec) {
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StringBuilder hexBuilder = new StringBuilder(sizeOfIntInHalfBytes);
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hexBuilder.setLength(sizeOfIntInHalfBytes);
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for (int i = sizeOfIntInHalfBytes - 1; i >= 0; --i)
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{
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int j = dec & halfByte;
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hexBuilder.setCharAt(i, hexDigits[j]);
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dec >>= numberOfBitsInAHalfByte;
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}
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return hexBuilder.toString();
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}
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public static void main(String[] args) {
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Scanner sc = new Scanner(System.in);
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System.out.println("Write your Number to convert into HexaDecimal: ")
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int dec = 305445566;
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String hex = Integer.toHexString(dec);
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String hex = decToHex(dec);
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System.out.println(hex);
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}
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}
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