Usually it was done in the finally block of a try-catch statement. Before Java 7 there was no auto resource management and we should explicitly close the resource.
Static Classes And Static Class Members In C Explained Class Static Members
If the method is called unbound on the type object then the static method is preferred.
. When comparing a static method and an instance method that are both applicable then the method that matches the calling convention is considered better. A static method can access only static variables of class and invoke only static methods of the class. However if the method is called bound to an instance than the instance method will be preferred.
One of the Java 7 features is the try-with-resources statement for automatic resource management.
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