Reading a .txt file using Scanner class in Java
The most naive way would be to iterate over the String and make sure all the elements are valid digits for the given radix. This is about as efficient...
public class Animal { public static void foo() { System.out.println("Animal"); } } public class Cat extends Animal { public static void foo() { // hides Animal.foo() System.out.println("Cat"); } }...
How can I clear the Scanner buffer in Java?
How do I run Java .class files?
Name of public class must match the name of .java file in which it is placed (like public class Foo{} must be placed in Foo.java file). So either: rename your file from Main.java to WeatherArray.java rename the class from public class WeatherArray { to public...
You simply need to create an instance of ReportHandler: ReportHandler rh = new ReportHandler(/* constructor args here */); rh.executeBatchInsert(); // Having fixed name to follow conventions The important point...
Efficient way to do batch INSERTS with JDBC
Must issue a STARTTLS command first
Idempotent means that you can apply the operation a number of times, but the resulting state of one call will be indistinguishable from the resulting state of multiple calls....