Classes: Static Methods 1

/**
 *  This code is from the book:
 *  Winder, R and Roberts, G (1998)
 *  Developing Java Software
 *  John Wiley & Sons.
 *  It is copyright (c) 1997 Russel Winder
 *  and Graham Roberts.
 */

class l1ClStat2{//Static2
  public static void g(final int i){
    System.out.println("In static void g(i = " + 
                       i + ")");
  }

  public static void f(){
    System.out.println("In static void f()");
    g(10);
    // Cannot call an instance method here
    // without an object
    // test();  // Error!
  }

  // instance method calling class method
  public void test(){
    g(5);
  }

  public static void main(String args[]){
     f();
     g(10);

     // Create an instance object
     l1ClStat2 s2 = new l1ClStat2();
     s2.f(); // Note - can do this.
     s2.test();
  }
}
/******** sample compilation & run ********
# javac l1ClStat2.java 
# java l1ClStat2
In static void f()
In static void g(i = 10)
In static void g(i = 10)
In static void f()
In static void g(i = 10)
In static void g(i = 5)
# 
******************************************/