You can import the another class and call the function.
First Java class
~~~~~~~~~~~~~~~~
Class A {
public double getFunction(double val) {
...
return someVal;
}
}
Second Java class
~~~~~~~~~~~~~~~~~
import <fromwhereever>.A
Class B {
public void useAnother() {
A aClass = new A();
double result = aClass.getFunction(123.45);
}
}
2
solved How get the value of method with parameters in another class java?