1. class BaseClass {
   
2. Private float x = 1.0f ;
   
3. protected float getVar ( ) { return x;}
   
4. }
   
5. class Subclass extends BaseClass {
   
6. private float x = 2.0f;
   
7. //insert code here
   
8. }

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Which two are valid examples of method overriding? (Choose Two)   
A. Float getVar ( ) { return x;}
B. Public float getVar ( ) { return x;}
C. Float double getVar ( ) { return x;}
D. Public float getVar ( ) { return x;}
E. Public float getVar (float f ) { return f;}

1. class BaseClass {
   
2. Private float x = 1.0f ;
   
3. protected float getVar ( ) { return x;}
   
4. }
   
5. class Subclass extends BaseClass {
   
6. private float x = 2.0f;
   
7. //insert code here
   
8. }

复制代码

Which two are valid examples of method overriding? (Choose Two)   
A. Float getVar ( ) { return x;}
B. Public float getVar ( ) { return x;}
C. Float double getVar ( ) { return x;}
D. Public float getVar ( ) { return x;}
E. Public float getVar (float f ) { return f;}