Reverse in place

reversereverse.java

public class reversereverse {
    public static void main(String[] args){
    	int[] data = {1, 2, 3, 4, 5, 6, 7, 8, 9};
    	for (int i = 0; i<data.length/2; i++){
    		int a = data[i];
    		data[i] = data[data.length - i - 1];
    		data[data.length - i - 1] = a;
    	}
    	System.out.println(java.util.Arrays.toString(data));
    }
}