单选题 以下输出是什么 ?class LowHighSwap{ static void doIt( int[] z ) { int temp = z[z.length-1]; z[z.length-1] = z[0]; z[0] = temp; }}class TestIt{ public static void main( String[] args ) { int[] myArray = {1, 2, 3, 4, 5}; LowHighSwap.doIt(myArray); for (int i = 0; i < myArray.length; i++) { System.out.print(myArray[i] + " "); } }}