ExtractMethod.java

package com.jetbrains.refactoring;


public class ExtractMethod {
    public static void main(String[] args) {
        String s = "How to extract a method: ";

        String hotkey = "Ctrl/Cmd+Alt+M";

        String[] steps = new String[5];
        steps[0] = "First select a block of code";
        steps[1] = "Then press " + hotkey;
        steps[2] = "Give the method a name";
        steps[3] = "Assign it a visibility";
        steps[4] = "Apply the refactoring";

        System.out.println(s);

        //Extract this loop
        printSteps(steps);
    }

    private static void printSteps(String[] steps) {
        for(String step : steps) {
            System.out.println(step);
        }
    }

    public class StepPrinter {
        public void printTheSteps(String... theSteps) {
            printSteps(theSteps);
        }
    }
}