Method newInstance

classpath/java/lang/reflect/Array.java:101–129

(Class elementType, int length)

  private static native Object makeObjectArray(Class elementType, int length);

  public static Object newInstance(Class elementType, int length) {
    if (length < 0) {
      throw new NegativeArraySizeException();
    }

    if (elementType.isPrimitive()) {
      if (elementType.equals(boolean.class)) {
        return new boolean[length];
      } else if (elementType.equals(byte.class)) {
        return new byte[length];
      } else if (elementType.equals(char.class)) {
        return new char[length];
      } else if (elementType.equals(short.class)) {
        return new short[length];
      } else if (elementType.equals(int.class)) {
        return new int[length];
      } else if (elementType.equals(long.class)) {
        return new long[length];
      } else if (elementType.equals(float.class)) {
        return new float[length];
      } else if (elementType.equals(double.class)) {
        return new double[length];
      } else {
        throw new IllegalArgumentException();
      }
    } else {
      return makeObjectArray(elementType, length);
    }
  }
}