import com.microsoft.azure.annotations.Nullable; import com.microsoft.azure.annotations.IntRange; public class Calculator { public static void main(String[] args) { Calculator calculator = new Calculator(); calculator.add(10, 20); } public int add(@IntRange(from = 0, to = 100) int num1, @Nullable Integer num2) { if (num2 == null) { return num1; } return num1 + num2; } } <dependency> <groupId>com.microsoft.azure</groupId> <artifactId>azure-annotations</artifactId> <version>1.0.0</version> </dependency>


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