阅读下列程序,并给出程序运行的结果。 class ex6_1 { static int x=3, y=4; static void p(int a,int b) { int x=2; a=x+y+b; b=x+y+a; System.out.println("\tx= "+x+" y= "+y+"\ta= "+a+" b= "+b); } public static void main(String[] args) { int u=5,v=6; p(u,v); System.out.println("\tu= "+u+" v= "+v+"\tx= "+x+" y= "+y); } } [ 运行结果 ]