30執行下列Java程式後,產生的輸出為何?class Test2{int a;static int b;public static void main(String[] args){Test2 p1 = new Test2();p1.a = 1;p1.b = 2;Test2 p2 = new Test2();p2.a = 2;p2.b = 3;System.out.println("p1.a = "+p1.a+" p1.b = "+p1.b+" p2.a = "+p2.a+" p2.b = "+p2.b);}}