Test Index

Declarations and Access Control Logic

Question : 19

Total: 29

Replace two of the Modifiers that appear in the Single class to make the code compile. Note: Three modifiers will not be used and four modifiers In the code will remain unchanged.
Code:

public class Single {
private static Single instance;
 public static Single getInstance(){
  if(instance== null) instance = create();
  return instance;
 } 
 private Single(){}
 protected Single create() { return new Single();}}
class SingeSub extends Single{
}

Modifiers:
final
protected
private
abstract
static

pubic Single( ) { }
static Single create ( ) { return new Single ( ) ; }
private Single( ) { }
static Single create ( ) { return new Single ( ) ; }
protected Single( ) { }
static Single create ( ) { return new Single ( ) ; }
public Single( ) { }
private Single create ( ) { return new Single ( ) ; }

Validate

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