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 Objl=new Test(12,45); System.out.println( a= +objl.a+ b= +Objl.b); Test Obj2=new Test(); System.out.println( a= +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