Scope for Class and Local Variables : Class Fields « Class Definition « Java Tutorial

1. Java Tutorial
2. Class Definition
3. Class Fields

public class MainClass {
  static int x;

  public static void main(String[] args) {
    x = 5;
    System.out.println("main: x = " + x);
    myMethod();
  }

  public static void myMethod() {
    int y;
    y = 10;
    if (y == x + 5) {
      int z;
      z = 15;
      System.out.println("myMethod: z = " + z);
    }
    System.out.println("myMethod: x = " + x);
    System.out.println("myMethod: y = " + y);
  }
}