用于定义和调用静态函数的基本演示类

/** 来自 时代Java - nowjava.com**/

public class Main {


  static int square(int x) {

    return x * x;

  }


  static boolean isOdd(int p) {

    if ((p % 2) == 0)

      return false;

    else

      return true;

  }


  static double distance(double x, double y) {

    if (x > y)
    /**
    来 自 n  o  w  j  a  v  a . c o m
    **/

      return x - y;

    else

      return y - x;

  }


  static void display(double x, double y) {

    System.out.println("(" + x + "," + y + ")");

    return; // return void

  }


  public static void main(String[] args) {

    display(3, 2);

    display(square(2), distance(5, 9));