WrapperArrays.java

public final class WrapperArrays {
    private WrapperArrays() {}
    //------------------------------------------- byte
    public static Byte[] box(byte[] in) {
        Byte[] out = new Byte[in.length];
        for(int i = 0;i <= in.length-1;i++) {
            out[i] = in[i];
        }
        return out;
    }
    public static byte[] unbox(Byte[] in) {
        byte[] out = new byte[in.length];
        for(int i = 0;i <= in.length-1;i++) {
            out[i] = in[i];
        }
        return out;
    }
    //------------------------------------------- short
    public static Short[] box(short[] in) {
        Short[] out = new Short[in.length];
        for(int i = 0;i <= in.length-1;i++) {
            out[i] = in[i];
        }
        return out;
    }
    public static short[] unbox(Short[] in) {
        short[] out = new short[in.length];
        for(int i = 0;i <= in.length-1;i++) {
            out[i] = in[i];
        }
        return out;
    }
    //------------------------------------------- int
    public static Integer[] box(int[] in) {
        Integer[] out = new Integer[in.length];
        for(int i = 0;i <= in.length-1;i++) {
            out[i] = in[i];
        }
        return out;
    }
    public static int[] unbox(Integer[] in) {
        int[] out = new int[in.length];
        for(int i = 0;i <= in.length-1;i++) {
            out[i] = in[i];
        }
        return out;
    }
    //------------------------------------------- long
    public static Long[] box(long[] in) {
        Long[] out = new Long[in.length];
        for(int i = 0;i <= in.length-1;i++) {
            out[i] = in[i];
        }
        return out;
    }
    public static long[] unbox(Long[] in) {
        long[] out = new long[in.length];
        for(int i = 0;i <= in.length-1;i++) {
            out[i] = in[i];
        }
        return out;
    }
    //------------------------------------------- float
    public static Float[] box(float[] in) {
        Float[] out = new Float[in.length];
        for(int i = 0;i <= in.length-1;i++) {
            out[i] = in[i];
        }
        return out;
    }
    public static float[] unbox(Float[] in) {
        float[] out = new float[in.length];
        for(int i = 0;i <= in.length-1;i++) {
            out[i] = in[i];
        }
        return out;
    }
    //------------------------------------------- double
    public static Double[] box(double[] in) {
        Double[] out = new Double[in.length];
        for(int i = 0;i <= in.length-1;i++) {
            out[i] = in[i];
        }
        return out;
    }
    public static double[] unbox(Double[] in) {
        double[] out = new double[in.length];
        for(int i = 0;i <= in.length-1;i++) {
            out[i] = in[i];
        }
        return out;
    }
    //------------------------------------------- char
    public static Character[] box(char[] in) {
        Character[] out = new Character[in.length];
        for(int i = 0;i <= in.length-1;i++) {
            out[i] = in[i];
        }
        return out;
    }
    public static char[] unbox(Character[] in) {
        char[] out = new char[in.length];
        for(int i = 0;i <= in.length-1;i++) {
            out[i] = in[i];
        }
        return out;
    }
    //------------------------------------------- bool
    public static Boolean[] box(boolean[] in) {
        Boolean[] out = new Boolean[in.length];
        for(int i = 0;i <= in.length-1;i++) {
            out[i] = in[i];
        }
        return out;
    }
    public static boolean[] unbox(Boolean[] in) {
        boolean[] out = new boolean[in.length];
        for(int i = 0;i <= in.length-1;i++) {
            out[i] = in[i];
        }
        return out;
    }
    
}