class MethodSample {
  static int az = 0;

  public static void main (String args[]) {
    int b, z;
    final int a;
    SphereUtil sp = new SphereUtil();
    a = 10;
    b = 21;
    System.out.println("vol (67.5)"+sp.volume(67.5));
    System.out.println("sa (67.5)"+SphereUtil.surArea(67.5));
    z = sum(a, b);
    System.out.println("(In Main) a="+a+ " b="+b);
    System.out.println("az="+az);
    printHelloBanner();
    System.out.println("sum="+z);
    System.out.println("End prog @"+System.currentTimeMillis());
  } // finish main

  // method declaration
  public static int sum(int a, int b) {
    int retVal;
    retVal = a + b;
    a = 100; b = 600;
    System.out.println("(In Sub) a="+a+ " b="+b);
    return retVal;
  }

  public static void printHelloBanner() {
    float floatNo = 1.2f;
    double doubleNo = 2.3;
    System.out.println("*** Hello ***");
    // return;
  }

  public static int sum(int a, int b, int c) {
    // kjhsdkj kjh kjsdf
    // algorithm
    // return value
    return -1;
  }
} // finish class MethodSample