Android Utililty Methods Array to Primitive Type Convert

List of utility methods to do Array to Primitive Type Convert

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Description

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

Method

float[]toPrimitive(Float[] array, float valueForNull)

Converts an array of object Floats to primitives handling null.

This method returns null for a null input array.

if (array == null) {
    return null;
} else if (array.length == 0) {
    return EMPTY_FLOAT_ARRAY;
final float[] result = new float[array.length];
for (int i = 0; i < array.length; i++) {
    Float b = array[i];
...
int[]toPrimitive(Integer[] array)

Converts an array of object Integers to primitives.

This method returns null for a null input array.

if (array == null) {
    return null;
} else if (array.length == 0) {
    return EMPTY_INT_ARRAY;
final int[] result = new int[array.length];
for (int i = 0; i < array.length; i++) {
    result[i] = array[i].intValue();
...
int[]toPrimitive(Integer[] array, int valueForNull)

Converts an array of object Integer to primitives handling null.

This method returns null for a null input array.

if (array == null) {
    return null;
} else if (array.length == 0) {
    return EMPTY_INT_ARRAY;
final int[] result = new int[array.length];
for (int i = 0; i < array.length; i++) {
    Integer b = array[i];
...
long[]toPrimitive(Long[] array)

Converts an array of object Longs to primitives.

This method returns null for a null input array.

if (array == null) {
    return null;
} else if (array.length == 0) {
    return EMPTY_LONG_ARRAY;
final long[] result = new long[array.length];
for (int i = 0; i < array.length; i++) {
    result[i] = array[i].longValue();
...
long[]toPrimitive(Long[] array, long valueForNull)

Converts an array of object Long to primitives handling null.

This method returns null for a null input array.

if (array == null) {
    return null;
} else if (array.length == 0) {
    return EMPTY_LONG_ARRAY;
final long[] result = new long[array.length];
for (int i = 0; i < array.length; i++) {
    Long b = array[i];
...
short[]toPrimitive(Short[] array)

Converts an array of object Shorts to primitives.

This method returns null for a null input array.

if (array == null) {
    return null;
} else if (array.length == 0) {
    return EMPTY_SHORT_ARRAY;
final short[] result = new short[array.length];
for (int i = 0; i < array.length; i++) {
    result[i] = array[i].shortValue();
...
short[]toPrimitive(Short[] array, short valueForNull)

Converts an array of object Short to primitives handling null.

This method returns null for a null input array.

if (array == null) {
    return null;
} else if (array.length == 0) {
    return EMPTY_SHORT_ARRAY;
final short[] result = new short[array.length];
for (int i = 0; i < array.length; i++) {
    Short b = array[i];
...
double[]unwrap(Double[] value)
Converts an array of Double into an array of double . 
if (value == null)
    return null;
double[] res = new double[value.length];
for (int i = 0; i < value.length; i++) {
    res[i] = value[i];
return res;
float[]unwrap(Float[] value)
Converts an array of Float into an array of float . 
if (value == null)
    return null;
float[] res = new float[value.length];
for (int i = 0; i < value.length; i++) {
    res[i] = value[i];
return res;
int[]unwrap(Integer[] value)
Converts an array of Integer into an array of int . 
if (value == null)
    return null;
int[] res = new int[value.length];
for (int i = 0; i < value.length; i++) {
    res[i] = value[i];
return res;