Hutool array tool

	// Array tool -ArrayUtil
  	@Test
	public void  arrayUtil(){
    
		// Sentenced to empty 
		int[] a = {
    1,2};
		if (ArrayUtil.isNotEmpty(a)) {
    
			System.out.println("very good");
		}
		// Array Clone 
		Integer[] b = {
    1,2,3,4,5,6};
		Integer[] cloneB = ArrayUtil.clone(b);
		Assert.assertArrayEquals(b, cloneB);
		// Ordered list generation 
		Console.log(ArrayUtil.range(1,6,2));
		// Filter 
		Console.log(ArrayUtil.filter(b,c->c%2==0));
		//  Whether it contains elements 
		// ArrayUtil.contains Method only for generic arrays , Detects whether the specified element is in the array .
		Console.log(ArrayUtil.contains(b,0));
		// Array to string 
		Console.log(ArrayUtil.toString(b));
		// Array to string ( Specify the separator )
		Console.log(ArrayUtil.join(b,"-"));
  	}