public class Test
{
    private int x;
    private String varNum;

    public Test()
    {
        varNum = "1234";
    }

    public String getVarNum()
    {
        return this.varNum;
    }

    // Main method
    public static void main(String[] args) {
        Test x = new Test();

        // Doesn't cause error, but nothing is printed
        x.getVarNum();

        // Doesn't cause error, but nothing is printed... again
        String myString = x.getVarNum();

        // Doesn't cause error, the value of varNum is printed
        System.out.println( x.getVarNum() );


        // Causes error - no semicolon at the end
        // x.getVarNum()

        // Causes error - no semicolon at the end... again
        // String anotherString = x.getVarNum()

        // Causes error - passed arguments inside methods cannot have a semicolon at the end
        // System.out.println( x.getVarNum(); );

    }
}