public class Example1
{
// INSTANCE VARIABLES
// AVAILABLE TO ALL METHODS, EXCEPT MAIN
int number = 11;

// "void" in the header line indicates that the method does not have a return statement
public void doThis()
{   System.out.println("number: " + number);
    number++;
    System.out.println("number: " + number);
}

public void doThis2()
{   // USE A LOCAL VARIABLE: 
    // it will be used only within this method
    // it must be initialized before being used
    String name = "Joe Bloggs";
    int x = 8;  
}

// "int" in the header line indicates that the method returns an integer
public int sendNumber()
{   return number * 2;    
}

public static void main(String[] args)
{   Example1 e = new Example1();
    e.doThis();
    // this line has an example of storing a result returned by a method:
    int result = e.sendNumber();
    System.out.println("result: " + result); 
}
}