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) ;
}
}