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