Guava入门使用教程 Guava Maven dependency In our examples, we use the following Maven dependency. <dependency> <groupId>com.google.guava</groupId> <artifactId>guava</artifactId> <version>19.0</version> </dependency>…
It is an established good practice to validate method arguments at the beginning of the method body. For example you could check that the passed value is not negative before doing some calculation: 1 2 3 4 5 6 public int doSomeCalculation(int value)…