基本类型数组与包装类型数组相互转换
/** * 基本类型数组与包装类型数组相互转换的工具类 */ public class CastArrayUtil { private CastArrayUtil(){} /** * 将基本类型数组转换为对应的包装类型数组 * * @param original * @return */ public static Byte[] toWrap(byte[] original) { int length = original.length; Byte[] dest = new Byte[length]; for (int i = 0; i < length; i++) { dest[i] = original[i]; } return dest; } /** * 将基本类型数组转换为对应的包装类型数组 * * @param original * @return */ public static Float[] toWrap(float[] original) { int length = original.length; Float[] dest = new Float[length]; for (int i = 0; i < length; i++) { dest[i] = original[i]; } return dest; } /** * 将基本类型数组转换为对应的包装类型数组 * * @param original * @return */ public static Double[] toWrap(double[] original) { int length = original.length; Double[] dest = new Double[length]; for (int i = 0; i < length; i++) { dest[i] = original[i]; } return dest; } /** * 将基本类型数组转换为对应的包装类型数组 * * @param original * @return */ public static Boolean[] toWrap(boolean[] original) { int length = original.length; Boolean[] dest = new Boolean[length]; for (int i = 0; i < length; i++) { dest[i] = original[i]; } return dest; } /** * 将基本类型数组转换为对应的包装类型数组 * * @param original * @return */ public static Long[] toWrap(long[] original) { int length = original.length; Long[] dest = new Long[length]; for (int i = 0; i < length; i++) { dest[i] = original[i]; } return dest; } /** * 将基本类型数组转换为对应的包装类型数组 * * @param original * @return */ public static Character[] toWrap(char[] original) { int length = original.length; Character[] dest = new Character[length]; for (int i = 0; i < length; i++) { dest[i] = original[i]; } return dest; } /** * 将基本类型数组转换为对应的包装类型数组 * * @param original * @return */ public static Integer[] toWrap(int[] original) { int length = original.length; Integer[] dest = new Integer[length]; for (int i = 0; i < length; i++) { dest[i] = original[i]; } return dest; } /** * 将基本类型数组转换为对应的包装类型数组 * * @param original * @return */ public static Short[] toWrap(short[] original) { int len = original.length; Short[] dest = new Short[len]; for (int i = 0; i < len; i++) { dest[i] = original[i]; } return dest; } /** * 将包装类型数组转换为对应的基本类型数组 * * @param original * @return */ public static byte[] toPrimitive(Byte[] original) { int length = original.length; byte[] dest = new byte[length]; for (int i = 0; i < length; i++) { dest[i] = original[i]; } return dest; } /** * 将包装类型数组转换为对应的基本类型数组 * * @param original * @return */ public static float[] toPrimitive(Float[] original) { int length = original.length; float[] dest = new float[length]; for (int i = 0; i < length; i++) { dest[i] = original[i]; } return dest; } /** * 将包装类型数组转换为对应的基本类型数组 * * @param original * @return */ public static double[] toPrimitive(Double[] original) { int length = original.length; double[] dest = new double[length]; for (int i = 0; i < length; i++) { dest[i] = original[i]; } return dest; } /** * 将包装类型数组转换为对应的基本类型数组 * * @param original * @return */ public static boolean[] toPrimitive(Boolean[] original) { int length = original.length; boolean[] dest = new boolean[length]; for (int i = 0; i < length; i++) { dest[i] = original[i]; } return dest; } /** * 将包装类型数组转换为对应的基本类型数组 * * @param original * @return */ public static long[] toPrimitive(Long[] original) { int length = original.length; long[] dest = new long[length]; for (int i = 0; i < length; i++) { dest[i] = original[i]; } return dest; } /** * 将包装类型数组转换为对应的基本类型数组 * * @param original * @return */ public static char[] toPrimitive(Character[] original) { int length = original.length; char[] dest = new char[length]; for (int i = 0; i < length; i++) { dest[i] = original[i]; } return dest; } /** * 将包装类型数组转换为对应的基本类型数组 * * @param original * @return */ public static int[] toPrimitive(Integer[] original) { int length = original.length; int[] dest = new int[length]; for (int i = 0; i < length; i++) { dest[i] = original[i]; } return dest; } /** * 将包装类型数组转换为对应的基本类型数组 * * @param original * @return */ public static short[] toPrimitive(Short[] original) { int len = original.length; short[] dest = new short[len]; for (int i = 0; i < len; i++) { dest[i] = original[i]; } return dest; } }