![import statcalc in java import statcalc in java](https://i.stack.imgur.com/oocrw.png)
The second program which is in another package accesses the MyFirstPackageProgram class.Ĭan I import multiple classes or packages in my class ? Let's understand this by the programs given below. To access the class of a package, you just have to import that class or package in your program. We will see access modifier in later tutorial. You can only access it if it has an access modifier that allows it to be accessed outside. Note: Accessibility of a class outside the package is also controlled by access modifier. Import statement will be the first statement in your class. If your class doesn't have a package declaration, then The package import statement must come after package name declaration and before the start of your class.
![import statcalc in java import statcalc in java](https://cdn.crunchify.com/wp-content/uploads/2013/01/Command-Shift-O-on-Mac-OS-to-add-missing-imports-768x324.png)
The * wildcard does not import classes of a sub package, they must be imported explicitly * wildcard will import all these classes in your class. Mypack, then importing package mypack using For example suppose if there are classes like PackageDemo1, PackageDemo2, PackageDemo3 etc inside a package The * wildcard is used to import all classes of a package. To import specific class of a sub package import To import all classes of a sub package import packagename.subpackagename.* To import specific class of a package import packagename.classname To import all classes of a package import packagename.* ➤ Overriding using Covariant Return Type.➤ Overloading and Overriding Differences.➤ Runtime and Compile-time Polymorphism.➤ Overflow Underflow Widening Narrowing.