how to access a method from another class in a another package java code example

Example 1: how to access methods from another class in java

public class Alpha {
     public void DoSomethingAlpha() {
          Beta cbeta = new Beta();
          cbeta.DoSomethingBeta();  //?
     }
}

Example 2: import classes from another project java

Right Click > Project.
Click Project Properties.
Click Java Build Path.
Click the Projects Tab.
Click the Add Button.
Select the Project.
Click OK.