执行下列代码后,输出的结果为( )。 class Base { int x = 30; void setX( ) {x=1O;} } class SubClass extends Base { int x=40; void setX ( ) {x=20;} int getX( ) {return super. x; } } public class Test { public static void main(String[ ] args) { SubClass sub=new SubClass( ); sub. setX( ); System. out. println(sub, getX( ) ); } }A.10B.20C.30D.40
执行下列代码后,输出的结果为( )。 class Base { int x = 30; void setX( ) {x=1O;} } class SubClass extends Base { int x=40; void setX ( ) {x=20;} int getX( ) {return super. x; } } public class Test { public static void main(String[ ] args) { SubClass sub=new SubClass( ); sub. setX( ); System. out. println(sub, getX( ) ); } }
A.10
B.20
C.30
D.40
相关考题:
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