Examlex
For the questions below, use the following skeletal code.
public static void main(String[ ] args)
{
try
{
ExceptionThrowerCode etc = new ExceptionThrowerCode( ) ;
etc.m1( ) ;
etc.m2( ) ;
}
catch (ArithmeticException ae) { ... }
}
public class ExceptionThrowerCode
{
...
public void m1( )
{
...
}
public void m2( )
{
try
{
m3( ) ;
}
catch(ArithmeticException ae) {...}
catch(NullPointerException npe) {...}
}
public void m3( )
{
try
{
...
}
catch(ArithmeticException ae) {...}
}
}
-If a NullPointerException arises in the try statement in m3
Non-excludable
A property of a good or service that makes it impossible, or highly impractical, to prevent individuals from using the good or service once it is provided.
Public Goods
Goods that are non-excludable and non-rivalrous in consumption, meaning they can be consumed by everyone and one person's consumption does not reduce the availability for others.
Private Sector
The part of the economy that is owned and operated by individuals and companies for profit, as opposed to being owned by the government.
External Benefit
A positive effect or advantage that extends beyond the direct participants of an economic transaction to affect others who are not involved in the transaction.
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