java如何在函数中调用主函数的数组

import javax.swing.JOptionPane;

public class Test {

/**
* @zdz
*/
public static void main(String[] args) {
double aArray[]= new double[]{1,2,3,4,5};
printArray(aArray);

}
public static void printArray(double aArray[]) 
{ 
String output=""; 
aArray[1]=20; 
//aArray[]= new double[]{1,2,3,4,5}; 
aArray[1]=16; 
for(int i=0;i<aArray.length;i++) 
{output+=String.valueOf(aArray[i])+"\n";} 

JOptionPane.showMessageDialog(null,output);
}

}