Wednesday, 26 March 2014

Access Specifiers

Java Supports 4 access specifiers: public, private, protected and default(no modifier). If program not specifies any access modifier, then default assumed.

Modifier Class Package subclass Global
public Y Y Y Y
protected Y Y Y N
no modifier Y Y N N
private Y N N N

Public data is accessible from any where i.e, from within the package or outside the package

protected data accessible from within the package and the sub classes of the class.

Data with no modifiers accessible from with in the package.

Private data accessible from with in the class.


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