class X2 { public X2 x; public static void main(String [] args) { X2 x

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class X2 { public X..


            
                        
                        

                             
                
                    
                        
                            
                                
                                    
                                    
                                    1.
                                
                                
                                    
                                        
class X2 { public X2 x; public static void main(String [] args) { X2 x2 = new X2(); /* Line 6 */ X2 x3 = new X2(); /* Line 7 */ x2.x = x3; x3.x = x2; x2 = new X2(); x3 = x2; /* Line 11 */ doComplexStuff(); } }  after line 11 runs, how many objects are eligible for garbage collection?
                                    
                                
                            
                        

                        
                                                            
                                    A.
                                    0
                                    
                                
                                                            
                                    B.
                                    1
                                    
                                
                                                            
                                    C.
                                    2
                                    
                                
                                                            
                                    D.
                                    3
                                    
                                
                                                    

                        
                            
                                
                                    Answer» D. 3
                                
                            
                        

                        
                        
                            
                                
                                    
                                
                            
                        
                    
                    
                         
                    
                
            
            
             


            
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`class X2 { public X2 x; public static void main(String [] args) { X2 x2 = new X2(); /* Line 6 / X2 x3 = new X2(); / Line 7 / x2.x = x3; x3.x = x2; x2 = new X2(); x3 = x2; / Line 11 */ doComplexStuff(); } }`
after line 11 runs, how many objects are eligible for garbage collection?

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1.	`class X2 { public X2 x; public static void main(String [] args) { X2 x2 = new X2(); /* Line 6 / X2 x3 = new X2(); / Line 7 / x2.x = x3; x3.x = x2; x2 = new X2(); x3 = x2; / Line 11 */ doComplexStuff(); } }` after line 11 runs, how many objects are eligible for garbage collection?
A.	0
B.	1
C.	2
D.	3
Answer» D. 3