public static char[] copyOfRange(char[] original, int start, int end) {if (start > end) {throw new IllegalArgumentException();}int originalLength = original.length;if (start < 0 || start > originalLength) {throw new ArrayIndexOutOfBoundsException();}int resultLength = end - start;int copyLength = Math.min(resultLength, originalLength - start);char[] result = new char[resultLength];System.arraycopy(original, start, result, 0, copyLength);return result;}
public static char[] copyOfRange(char[] original, int start, int end){if (start > end){throw new System.ArgumentException();}int originalLength = original.Length;if (start < 0 || start > originalLength){throw new System.IndexOutOfRangeException();}int resultLength = end - start;int copyLength = System.Math.Min(resultLength, originalLength - start);char[] result = new char[resultLength];System.Array.Copy(original, start, result, 0, copyLength);return result;}