Example usage for java.util Arrays copyOf

Introduction

In this page you can find the example usage for java.util Arrays copyOf.

Prototype

public static boolean[] copyOf(boolean[] original, int newLength)

Source Link

Document

Copies the specified array, truncating or padding with false (if necessary) so the copy has the specified length.

Usage

From source file:Main.java

public static <T> T[] arrayConcat(T[] first, T[] second) {
    T[] result = Arrays.copyOf(first, first.length + second.length);
    System.arraycopy(second, 0, result, first.length, second.length);
    return result;
}

From source file:Main.java

public static <T> T[] splice(T[] arr, int start, int end) {
    int size = end - start;
    T[] newArr = Arrays.copyOf(arr, size);
    System.arraycopy(arr, start, newArr, 0, size);
    return newArr;
}

From source file:Main.java

public static float[] reverse(float[] array) {
    float[] result = Arrays.copyOf(array, array.length);
    for (int i = 0; i < result.length / 2; i++) {
        float temp = result[i];
        result[i] = result[result.length - i - 1];
        result[result.length - i - 1] = temp;
    }//  w  w w  . jav  a  2  s  .  c  om
    return result;
}

From source file:Main.java

public static float[] copyArray(float[] array) {
    return array == null ? null : Arrays.copyOf(array, array.length);
}

From source file:Main.java

public static <T> List<T> asConstList(T... in) {
    return Collections.unmodifiableList(Arrays.asList(Arrays.copyOf(in, in.length)));
}

From source file:Main.java

public static byte[] trimmedBytes(byte[] bytes) {

    int i = bytes.length - 1;
    while (i >= 0 && bytes[i] == 0) {
        --i;/*from  ww  w .j  a v a2  s .  c  o m*/
    }

    return Arrays.copyOf(bytes, i + 1);

}

From source file:Main.java

public static String[] contact(String[] strs1, String[] strs2) {
    if (strs1 == null || strs2 == null) {
        return null;
    }/*  w  ww. j a va2s.com*/
    String[] result = Arrays.copyOf(strs1, strs1.length + strs2.length);
    System.arraycopy(strs2, 0, result, strs1.length, strs2.length);
    return result;
}

From source file:Main.java

public static <T> T[] concat(T[] first, T[] second) {
    if (first == null && second == null) {
        return null;
    } else if (first == null) {
        return Arrays.copyOf(second, second.length);
    } else if (second == null) {
        return Arrays.copyOf(first, first.length);
    } else {//from w  ww.j a  v a 2s  .c  om
        T[] result = Arrays.copyOf(first, first.length + second.length);
        System.arraycopy(second, 0, result, first.length, second.length);
        return result;
    }
}

From source file:Main.java

@TargetApi(Build.VERSION_CODES.GINGERBREAD)
public static <T> T[] concatenate(T[] first, T[] second) {
    T[] result = Arrays.copyOf(first, first.length + second.length);
    System.arraycopy(second, 0, result, first.length, second.length);
    return result;
}

From source file:Main.java

public static <T> T[] concat(T[] first, T[] second) {
    if (first == null || second == null)
        return null;
    T[] result = Arrays.copyOf(first, first.length + second.length);
    System.arraycopy(second, 0, result, first.length, second.length);
    return result;
}