Example usage for java.lang Integer toHexString

Introduction

In this page you can find the example usage for java.lang Integer toHexString.

Prototype

public static String toHexString(int i)

Source Link

Document

Returns a string representation of the integer argument as an unsigned integer in base 16.

Usage

From source file:Main.java

public static String getRandomRGB() {
    String r, g, b;/*from   ww  w  . j  a  va 2s.c  o  m*/
    Random random = new Random();
    r = Integer.toHexString(random.nextInt(256)).toUpperCase();
    g = Integer.toHexString(random.nextInt(256)).toUpperCase();
    b = Integer.toHexString(random.nextInt(256)).toUpperCase();
    r = r.length() == 1 ? "0" + r : r;
    g = g.length() == 1 ? "0" + g : g;
    b = b.length() == 1 ? "0" + b : b;
    return "#" + (r + g + b);
}

From source file:Main.java

public static String getHexString(byte[] raw) {
    String str = new String();

    for (byte b : raw) {
        String hex = Integer.toHexString(b & 0xFF);

        if (hex.length() == 1) {
            str += "0" + hex;
        } else {//  w w  w. j a  v  a2  s . c  o m
            str += hex;
        }
    }

    return str;
}

From source file:Main.java

public static String arr2String(int[] arr) {
    String str = "";
    for (int i = 0; i < arr.length; i++) {
        String string = Integer.toHexString(arr[i]);
        if (string.length() == 1) {
            string = "-" + string;
        }//ww w. j a v a2 s  .com
        str = str + string;
    }
    return str;
}

From source file:Main.java

public static String getRandColorCode() {
    String r, g, b;/*  www  .ja  va2s.  c  o  m*/
    Random random = new Random();
    r = Integer.toHexString(random.nextInt(256)).toUpperCase();
    g = Integer.toHexString(random.nextInt(256)).toUpperCase();
    b = Integer.toHexString(random.nextInt(256)).toUpperCase();
    r = r.length() == 1 ? "0" + r : r;
    g = g.length() == 1 ? "0" + g : g;
    b = b.length() == 1 ? "0" + b : b;
    return r + g + b;
}

From source file:Main.java

public static String intToHexString(int a) {
    StringBuilder stringBuilder = new StringBuilder("");
    int v = a & 0xFF;
    String hv = Integer.toHexString(v);
    if (hv.length() < 2) {
        stringBuilder.append(0);//w  ww .  j a v  a2 s . com
    }
    stringBuilder.append(hv);
    return stringBuilder.toString();
}

From source file:Main.java

public static String convertTwoHexString(int num) {
    // return "0x" + Integer.toHexString(num).toUpperCase();

    String temp = Integer.toHexString(num).toUpperCase();
    switch (temp.length()) {
    case 1:/*from   w  w  w.j a  v a2 s.co  m*/
        return "0x000" + temp;
    case 2:
        return "0x00" + temp;
    case 3:
        return "0x0" + temp;
    default:
        return "0x" + temp;
    }
}

From source file:Main.java

public static String toHex(byte[] to) {
    if (null == to || to.length == 0)
        return "[]";
    StringBuffer sb = new StringBuffer("[" + Integer.toHexString(to[0] & 0xFF));
    for (int i = 1; i < to.length; i++) {
        sb.append(String.format(" %02x", to[i] & 0xFF));
    }// w  w  w.  j  a  v  a2 s  .  co  m
    sb.append("]");
    return sb.toString();
}

From source file:Main.java

public static String getPrintBytes(String tag, byte[] bytes) {
    String resp = "";
    for (int i = 0; i < bytes.length; i++) {
        resp += " " + Integer.toHexString(bytes[i]);
    }//from w w  w  . ja  v  a 2  s  .c  o m
    String msg = "Data:" + tag + " \t" + String.format("%03d", bytes.length) + ": " + resp;
    return msg;
}

From source file:Main.java

private static String toHexString(byte[] bytes) {
    StringBuffer sb = new StringBuffer();
    for (int i = 0; i < bytes.length; i++) {
        sb.append(Integer.toHexString(bytes[i] >> 4 & 0x0f)).append(Integer.toHexString(bytes[i] & 0x0f));
    }/* w w w. ja v  a 2 s.co m*/
    return sb.toString();
}

From source file:Main.java

private static String toHexString(byte[] bytes) {
    StringBuilder hexString = new StringBuilder();
    for (byte b : bytes) {
        String str = Integer.toHexString(0xFF & b);
        while (str.length() < 2) {
            str = "0" + str;
        }/*from  w  w w  .j av  a2  s. c om*/
        hexString.append(str);
    }
    return hexString.toString();
}