Arrays

java.lang.Object
- cern.colt.Arrays

```
public class Arrays
extends Object
```
Array manipulations; complements java.util.Arrays.

See Also:

Arrays, Sorting

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static boolean[]`	`ensureCapacity(boolean[] array, int minCapacity)` Ensures that a given array can hold up to `minCapacity` elements.
`static byte[]`	`ensureCapacity(byte[] array, int minCapacity)` Ensures that a given array can hold up to `minCapacity` elements.
`static char[]`	`ensureCapacity(char[] array, int minCapacity)` Ensures that a given array can hold up to `minCapacity` elements.
`static double[]`	`ensureCapacity(double[] array, int minCapacity)` Ensures that a given array can hold up to `minCapacity` elements.
`static float[]`	`ensureCapacity(float[] array, int minCapacity)` Ensures that a given array can hold up to `minCapacity` elements.
`static int[]`	`ensureCapacity(int[] array, int minCapacity)` Ensures that a given array can hold up to `minCapacity` elements.
`static long[]`	`ensureCapacity(long[] array, int minCapacity)` Ensures that a given array can hold up to `minCapacity` elements.
`static Object[]`	`ensureCapacity(Object[] array, int minCapacity)` Ensures that a given array can hold up to `minCapacity` elements.
`static short[]`	`ensureCapacity(short[] array, int minCapacity)` Ensures that a given array can hold up to `minCapacity` elements.
`static String`	`toString(boolean[] array)` Returns a string representation of the specified array.
`static String`	`toString(byte[] array)` Returns a string representation of the specified array.
`static String`	`toString(char[] array)` Returns a string representation of the specified array.
`static String`	`toString(double[] array)` Returns a string representation of the specified array.
`static String`	`toString(float[] array)` Returns a string representation of the specified array.
`static String`	`toString(int[] array)` Returns a string representation of the specified array.
`static String`	`toString(long[] array)` Returns a string representation of the specified array.
`static String`	`toString(Object[] array)` Returns a string representation of the specified array.
`static String`	`toString(short[] array)` Returns a string representation of the specified array.
`static boolean[]`	`trimToCapacity(boolean[] array, int maxCapacity)` Ensures that the specified array cannot hold more than `maxCapacity` elements.
`static byte[]`	`trimToCapacity(byte[] array, int maxCapacity)` Ensures that the specified array cannot hold more than `maxCapacity` elements.
`static char[]`	`trimToCapacity(char[] array, int maxCapacity)` Ensures that the specified array cannot hold more than `maxCapacity` elements.
`static double[]`	`trimToCapacity(double[] array, int maxCapacity)` Ensures that the specified array cannot hold more than `maxCapacity` elements.
`static float[]`	`trimToCapacity(float[] array, int maxCapacity)` Ensures that the specified array cannot hold more than `maxCapacity` elements.
`static int[]`	`trimToCapacity(int[] array, int maxCapacity)` Ensures that the specified array cannot hold more than `maxCapacity` elements.
`static long[]`	`trimToCapacity(long[] array, int maxCapacity)` Ensures that the specified array cannot hold more than `maxCapacity` elements.
`static Object[]`	`trimToCapacity(Object[] array, int maxCapacity)` Ensures that the specified array cannot hold more than `maxCapacity` elements.
`static short[]`	`trimToCapacity(short[] array, int maxCapacity)` Ensures that the specified array cannot hold more than `maxCapacity` elements.

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - ensureCapacity
```
public static byte[] ensureCapacity(byte[] array,
                                    int minCapacity)
```
    Ensures that a given array can hold up to minCapacity elements. Returns the identical array if it can hold at least the number of elements specified. Otherwise, returns a new array with increased capacity containing the same elements, ensuring that it can hold at least the number of elements specified by the minimum capacity argument.
    
    Parameters:
    
    minCapacity - the desired minimum capacity.
  - ensureCapacity
```
public static char[] ensureCapacity(char[] array,
                                    int minCapacity)
```
    Ensures that a given array can hold up to minCapacity elements. Returns the identical array if it can hold at least the number of elements specified. Otherwise, returns a new array with increased capacity containing the same elements, ensuring that it can hold at least the number of elements specified by the minimum capacity argument.
    
    Parameters:
    
    minCapacity - the desired minimum capacity.
  - ensureCapacity
```
public static double[] ensureCapacity(double[] array,
                                      int minCapacity)
```
    Ensures that a given array can hold up to minCapacity elements. Returns the identical array if it can hold at least the number of elements specified. Otherwise, returns a new array with increased capacity containing the same elements, ensuring that it can hold at least the number of elements specified by the minimum capacity argument.
    
    Parameters:
    
    minCapacity - the desired minimum capacity.
  - ensureCapacity
```
public static float[] ensureCapacity(float[] array,
                                     int minCapacity)
```
    Ensures that a given array can hold up to minCapacity elements. Returns the identical array if it can hold at least the number of elements specified. Otherwise, returns a new array with increased capacity containing the same elements, ensuring that it can hold at least the number of elements specified by the minimum capacity argument.
    
    Parameters:
    
    minCapacity - the desired minimum capacity.
  - ensureCapacity
```
public static int[] ensureCapacity(int[] array,
                                   int minCapacity)
```
    Ensures that a given array can hold up to minCapacity elements. Returns the identical array if it can hold at least the number of elements specified. Otherwise, returns a new array with increased capacity containing the same elements, ensuring that it can hold at least the number of elements specified by the minimum capacity argument.
    
    Parameters:
    
    minCapacity - the desired minimum capacity.
  - ensureCapacity
```
public static long[] ensureCapacity(long[] array,
                                    int minCapacity)
```
    Ensures that a given array can hold up to minCapacity elements. Returns the identical array if it can hold at least the number of elements specified. Otherwise, returns a new array with increased capacity containing the same elements, ensuring that it can hold at least the number of elements specified by the minimum capacity argument.
    
    Parameters:
    
    minCapacity - the desired minimum capacity.
  - ensureCapacity
```
public static Object[] ensureCapacity(Object[] array,
                                      int minCapacity)
```
    Ensures that a given array can hold up to minCapacity elements. Returns the identical array if it can hold at least the number of elements specified. Otherwise, returns a new array with increased capacity containing the same elements, ensuring that it can hold at least the number of elements specified by the minimum capacity argument.
    
    Parameters:
    
    minCapacity - the desired minimum capacity.
  - ensureCapacity
```
public static short[] ensureCapacity(short[] array,
                                     int minCapacity)
```
    Ensures that a given array can hold up to minCapacity elements. Returns the identical array if it can hold at least the number of elements specified. Otherwise, returns a new array with increased capacity containing the same elements, ensuring that it can hold at least the number of elements specified by the minimum capacity argument.
    
    Parameters:
    
    minCapacity - the desired minimum capacity.
  - ensureCapacity
```
public static boolean[] ensureCapacity(boolean[] array,
                                       int minCapacity)
```
    Ensures that a given array can hold up to minCapacity elements. Returns the identical array if it can hold at least the number of elements specified. Otherwise, returns a new array with increased capacity containing the same elements, ensuring that it can hold at least the number of elements specified by the minimum capacity argument.
    
    Parameters:
    
    minCapacity - the desired minimum capacity.
  - toString
```
public static String toString(byte[] array)
```
    Returns a string representation of the specified array. The string representation consists of a list of the arrays's elements, enclosed in square brackets ("[]"). Adjacent elements are separated by the characters ", " (comma and space).
    
    Returns:
    
    a string representation of the specified array.
  - toString
```
public static String toString(char[] array)
```
    Returns a string representation of the specified array. The string representation consists of a list of the arrays's elements, enclosed in square brackets ("[]"). Adjacent elements are separated by the characters ", " (comma and space).
    
    Returns:
    
    a string representation of the specified array.
  - toString
```
public static String toString(double[] array)
```
    Returns a string representation of the specified array. The string representation consists of a list of the arrays's elements, enclosed in square brackets ("[]"). Adjacent elements are separated by the characters ", " (comma and space).
    
    Returns:
    
    a string representation of the specified array.
  - toString
```
public static String toString(float[] array)
```
    Returns a string representation of the specified array. The string representation consists of a list of the arrays's elements, enclosed in square brackets ("[]"). Adjacent elements are separated by the characters ", " (comma and space).
    
    Returns:
    
    a string representation of the specified array.
  - toString
```
public static String toString(int[] array)
```
    Returns a string representation of the specified array. The string representation consists of a list of the arrays's elements, enclosed in square brackets ("[]"). Adjacent elements are separated by the characters ", " (comma and space).
    
    Returns:
    
    a string representation of the specified array.
  - toString
```
public static String toString(long[] array)
```
    Returns a string representation of the specified array. The string representation consists of a list of the arrays's elements, enclosed in square brackets ("[]"). Adjacent elements are separated by the characters ", " (comma and space).
    
    Returns:
    
    a string representation of the specified array.
  - toString
```
public static String toString(Object[] array)
```
    Returns a string representation of the specified array. The string representation consists of a list of the arrays's elements, enclosed in square brackets ("[]"). Adjacent elements are separated by the characters ", " (comma and space).
    
    Returns:
    
    a string representation of the specified array.
  - toString
```
public static String toString(short[] array)
```
    Returns a string representation of the specified array. The string representation consists of a list of the arrays's elements, enclosed in square brackets ("[]"). Adjacent elements are separated by the characters ", " (comma and space).
    
    Returns:
    
    a string representation of the specified array.
  - toString
```
public static String toString(boolean[] array)
```
    Returns a string representation of the specified array. The string representation consists of a list of the arrays's elements, enclosed in square brackets ("[]"). Adjacent elements are separated by the characters ", " (comma and space).
    
    Returns:
    
    a string representation of the specified array.
  - trimToCapacity
```
public static byte[] trimToCapacity(byte[] array,
                                    int maxCapacity)
```
    Ensures that the specified array cannot hold more than maxCapacity elements. An application can use this operation to minimize array storage.
    Returns the identical array if array.length <= maxCapacity. Otherwise, returns a new array with a length of maxCapacity containing the first maxCapacity elements of array.
    
    Parameters:
    
    maxCapacity - the desired maximum capacity.
  - trimToCapacity
```
public static char[] trimToCapacity(char[] array,
                                    int maxCapacity)
```
    Ensures that the specified array cannot hold more than maxCapacity elements. An application can use this operation to minimize array storage.
    Returns the identical array if array.length <= maxCapacity. Otherwise, returns a new array with a length of maxCapacity containing the first maxCapacity elements of array.
    
    Parameters:
    
    maxCapacity - the desired maximum capacity.
  - trimToCapacity
```
public static double[] trimToCapacity(double[] array,
                                      int maxCapacity)
```
    Ensures that the specified array cannot hold more than maxCapacity elements. An application can use this operation to minimize array storage.
    Returns the identical array if array.length <= maxCapacity. Otherwise, returns a new array with a length of maxCapacity containing the first maxCapacity elements of array.
    
    Parameters:
    
    maxCapacity - the desired maximum capacity.
  - trimToCapacity
```
public static float[] trimToCapacity(float[] array,
                                     int maxCapacity)
```
    Ensures that the specified array cannot hold more than maxCapacity elements. An application can use this operation to minimize array storage.
    Returns the identical array if array.length <= maxCapacity. Otherwise, returns a new array with a length of maxCapacity containing the first maxCapacity elements of array.
    
    Parameters:
    
    maxCapacity - the desired maximum capacity.
  - trimToCapacity
```
public static int[] trimToCapacity(int[] array,
                                   int maxCapacity)
```
    Ensures that the specified array cannot hold more than maxCapacity elements. An application can use this operation to minimize array storage.
    Returns the identical array if array.length <= maxCapacity. Otherwise, returns a new array with a length of maxCapacity containing the first maxCapacity elements of array.
    
    Parameters:
    
    maxCapacity - the desired maximum capacity.
  - trimToCapacity
```
public static long[] trimToCapacity(long[] array,
                                    int maxCapacity)
```
    Ensures that the specified array cannot hold more than maxCapacity elements. An application can use this operation to minimize array storage.
    Returns the identical array if array.length <= maxCapacity. Otherwise, returns a new array with a length of maxCapacity containing the first maxCapacity elements of array.
    
    Parameters:
    
    maxCapacity - the desired maximum capacity.
  - trimToCapacity
```
public static Object[] trimToCapacity(Object[] array,
                                      int maxCapacity)
```
    Ensures that the specified array cannot hold more than maxCapacity elements. An application can use this operation to minimize array storage.
    Returns the identical array if array.length <= maxCapacity. Otherwise, returns a new array with a length of maxCapacity containing the first maxCapacity elements of array.
    
    Parameters:
    
    maxCapacity - the desired maximum capacity.
  - trimToCapacity
```
public static short[] trimToCapacity(short[] array,
                                     int maxCapacity)
```
    Ensures that the specified array cannot hold more than maxCapacity elements. An application can use this operation to minimize array storage.
    Returns the identical array if array.length <= maxCapacity. Otherwise, returns a new array with a length of maxCapacity containing the first maxCapacity elements of array.
    
    Parameters:
    
    maxCapacity - the desired maximum capacity.
  - trimToCapacity
```
public static boolean[] trimToCapacity(boolean[] array,
                                       int maxCapacity)
```
    Ensures that the specified array cannot hold more than maxCapacity elements. An application can use this operation to minimize array storage.
    Returns the identical array if array.length <= maxCapacity. Otherwise, returns a new array with a length of maxCapacity containing the first maxCapacity elements of array.
    
    Parameters:
    
    maxCapacity - the desired maximum capacity.

Class Arrays

Method Summary

Methods inherited from class java.lang.Object

Method Detail

ensureCapacity

ensureCapacity

ensureCapacity

ensureCapacity

ensureCapacity

ensureCapacity

ensureCapacity

ensureCapacity

ensureCapacity

toString

toString

toString

toString

toString

toString

toString

toString

toString

trimToCapacity

trimToCapacity

trimToCapacity

trimToCapacity

trimToCapacity

trimToCapacity

trimToCapacity

trimToCapacity

trimToCapacity