Java Utililty Methods Integer Array Convert To

List of utility methods to do Integer Array Convert To

  1. HOME
  2. Java
  3. I
  4. Integer Array Convert To

Description

The list of methods to do Integer Array Convert To are organized into topic(s).

Method

double[]copySignedIntToDoubleArray(int[] src)

Copy an array of signed values in int, into an array of double.

Sign extension is performed.

if (src == null)
    return null;
int n = src.length;
double[] dst = new double[n];
for (int j = 0; j < n; ++j) {
    dst[j] = src[j]; 
return dst;
...
short[]copySignedIntToShortArray(int[] src)

Copy an array of signed values in int, into an array of short.

The value is truncated as necessary.

if (src == null)
    return null;
int n = src.length;
short[] dst = new short[n];
for (int j = 0; j < n; ++j) {
    dst[j] = (short) (src[j]); 
return dst;
...
intintArray2HashCode(int[] xs)
int Array Hash Code 
int hc = 0;
for (int i = 0; i < xs.length; ++i) {
    hc = 31 * hc + xs[i];
return hc;
StringintArray2HexString(int[] intArray)
int Array Hex String 
if (intArray == null || intArray.length <= 0) {
    return "";
StringBuilder sb = new StringBuilder();
for (int i : intArray) {
    sb.append(String.format("%04x", i));
return sb.toString();
...
Integer[]intArray2IntegerArray(int[] array, int newLength)
int Array Integer Array 
Integer[] ret = new Integer[newLength];
for (int i = 0; i < ret.length; i++) {
    ret[i] = array[i];
return ret;
StringintArray2Json(int[] array)
int Array Json 
if (array.length == 0)
    return "[]";
StringBuilder sb = new StringBuilder(array.length << 4);
sb.append('[');
for (int o : array) {
    sb.append(Integer.toString(o));
    sb.append(',');
sb.setCharAt(sb.length() - 1, ']');
return sb.toString();
StringintArrayToAddressString(int vals[])
int Array To Address String 
StringBuilder buf = new StringBuilder();
for (int i = 0; i < vals.length; ++i) {
    buf.append(String.format("%02x", vals[i]));
return buf.toString();
StringintArrayToBits(int[] ina, int min, int max, int numBits)
Creates a bit string (0s and 1s) from an integer array. 
StringBuilder buff = new StringBuilder();
for (int i = 0; i < ina.length; i++) {
    int in = ina[i];
    in = in - min;
    in = Math.min(in, max - min);
    String bits = Integer.toBinaryString(in);
    while (bits.length() < numBits)
        bits = "0" + bits;
...
char[][]intArrayToCharArray(int[][] intArray)
int Array To Char Array 
char[][] result = new char[intArray.length][intArray[0].length];
for (int i = 0; i < intArray.length; i++) {
    for (int j = 0; j < intArray[0].length; j++) {
        result[i][j] = (char) intArray[i][j];
return result;
float[]intArrayToFloatArray(int[] intArray)
int Array To Float Array 
float[] floatArray;
floatArray = new float[intArray.length];
for (int i = 0; i < intArray.length; i++) {
    floatArray[i] = (float) intArray[i];
return floatArray;