下面程序段的输出结果为 public class Test { int a, b; Test() { a=100; b=200; } Test(int x,int y) { a=x; b=y; } public static void main(String args[]) { Test Obj1=new Test(12,45); System.out.println( a=+Obj1.a+ b= +Obj1.B) ; Test Obj2=new Test(); System.out.println( = +Obj2.a+ b= +Obj2.B) ; } }
A.a=100 b=200 a=12 b=45
B.a=12 b=45 a=100 b=200
C.a=12 b=200 a=100 b=45
D.a=100 b=45 a=12 b=200