class BaseClass{ 
	private float x= 1.0f; 
	protected void setVar (float f) {x = f;} 
	}
	class SubClass extends BaseClass   { 
	private float x = 2.0f; 
	//insert code here 16. }  
	Which two are valid examples of method overriding?()     
	A. Void setVar(float f) {x = f;}
	B. Public void setVar(int f) {x = f;}
	C. Public void setVar(float f) {x = f;}
	D. Public double setVar(float f) {x = f;}
	E. Public final void setVar(float f) {x = f;}
	F. Protected float setVar() {x=3.0f; return 3.0f; }
 
                            	5. String foo = “base”; 
	6. foo.substring(0,3); 
	7. foo.concat(“ket”) 
	8.    
	Type the value of foo at line 8.()
