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Using a null object reference to call a method will not generate an error.
Trade Surplus
A situation where the value of a country's exports exceeds the value of its imports, indicating a positive balance of trade.
Exports
Goods or services produced in one country and sold to buyers in another, contributing to the exporting country's GDP.
Imports
Goods and services bought by a country from foreign markets.
Trade Surplus
A situation where a country's exports exceed its imports for a given period, leading to a positive balance of trade.
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