package signature; public class TestArrays { void signature() { TestArrays[][][][] aaaa= null; // create 4-dimension first TestArrays[] a= null; TestArrays[][] aa= null; Object[] objectArr= null; int[] int_arr= null; char[] char_arr; boolean[] boolean_arr; short[] short_arr; long[] long_arr; float[] float_arr; double[] double_arr; byte[] byte_arr; } }