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

char[]toCharArray(Object[] array)
to Char Array 
final int s = array.length;
final char[] ret = new char[s];
for (int i = 0; i != s; ++i)
    ret[i] = (Character) array[i];
return ret;
boolean[]toPrimitive(Boolean[] array)

Converts an array of object Booleans to primitives.

This method returns null for a null input array.

if (array == null) {
    return null;
} else if (array.length == 0) {
    return EMPTY_BOOLEAN_ARRAY;
final boolean[] result = new boolean[array.length];
for (int i = 0; i < array.length; i++) {
    result[i] = array[i].booleanValue();
...
boolean[]toPrimitive(Boolean[] array, boolean valueForNull)

Converts an array of object Booleans 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_BOOLEAN_ARRAY;
final boolean[] result = new boolean[array.length];
for (int i = 0; i < array.length; i++) {
    Boolean b = array[i];
...
byte[]toPrimitive(Byte[] array)

Converts an array of object Bytes to primitives.

This method returns null for a null input array.

if (array == null) {
    return null;
} else if (array.length == 0) {
    return EMPTY_BYTE_ARRAY;
final byte[] result = new byte[array.length];
for (int i = 0; i < array.length; i++) {
    result[i] = array[i].byteValue();
...
byte[]toPrimitive(Byte[] array, byte valueForNull)

Converts an array of object Bytes 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_BYTE_ARRAY;
final byte[] result = new byte[array.length];
for (int i = 0; i < array.length; i++) {
    Byte b = array[i];
...
char[]toPrimitive(Character[] array)

Converts an array of object Characters to primitives.

This method returns null for a null input array.

if (array == null) {
    return null;
} else if (array.length == 0) {
    return EMPTY_CHAR_ARRAY;
final char[] result = new char[array.length];
for (int i = 0; i < array.length; i++) {
    result[i] = array[i].charValue();
...
char[]toPrimitive(Character[] array, char valueForNull)

Converts an array of object Character 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_CHAR_ARRAY;
final char[] result = new char[array.length];
for (int i = 0; i < array.length; i++) {
    Character b = array[i];
...
double[]toPrimitive(Double[] array)

Converts an array of object Doubles to primitives.

This method returns null for a null input array.

if (array == null) {
    return null;
} else if (array.length == 0) {
    return EMPTY_DOUBLE_ARRAY;
final double[] result = new double[array.length];
for (int i = 0; i < array.length; i++) {
    result[i] = array[i].doubleValue();
...
double[]toPrimitive(Double[] array, double valueForNull)

Converts an array of object Doubles 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_DOUBLE_ARRAY;
final double[] result = new double[array.length];
for (int i = 0; i < array.length; i++) {
    Double b = array[i];
...
float[]toPrimitive(Float[] array)

Converts an array of object Floats to primitives.

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++) {
    result[i] = array[i].floatValue();
...