davetron5000

#!/usr/bin/perl
#
# Pre-commit hook for running checkstyle on changed Java sources
#
# To use this you need:
# 1. checkstyle's jar file somewhere
# 2. a checkstyle XML check file somewhere
# 3. To configure git:
#   * git config --add checkstyle.jar <location of jar>
#   * git config --add checkstyle.checkfile <location of checkfile>

davetron5000

/** Immutable name */
public class DefensiveName {
  private String first;
  private String last;

  public DefensiveName(String first, String last) {
    if (first == null) throw new IllegalArgumentException("first may not be null");
    if (last == null) throw new IllegalArgumentException("last may not be null");

    this.first = first;

davetron5000

class ThanksJavaBeans
  def initialize(hash)
    @hash = hash
  end

  def method_missing(symbol,*args)
    if args.length == 0
      @hash[symbol]
    else
      super(symbol,args)

davetron5000

#include <stdio.h>

int doit(float f) {
    printf("%f\n",f);
}

int doitDouble(double d) {
    printf("%f\n",d);
}
int main(int argc, char** argv) {

davetron5000

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <properties>
    <resteasy-version>1.1-RC2</resteasy-version>
  </properties>
  <groupId>com.example</groupId>
  <artifactId>spring-resteasy</artifactId>
  <packaging>war</packaging>
  <version>1.0-SNAPSHOT</version>

davetron5000

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd">
<web-app>
  <display-name>Archetype RestEasy  Web Application</display-name>

  <listener>
    <listener-class>org.jboss.resteasy.plugins.server.servlet.ResteasyBootstrap</listener-class>
  </listener>
  <listener>
    <listener-class>org.jboss.resteasy.plugins.spring.SpringContextLoaderListener</listener-class>

davetron5000

// define a class called "Circle" 
// it has a 1-arg constructor that takes an Int
class Circle(r:Int) {
  // define a read-only field
  val radius = r;
  // define a method to compute diameter
  def diameter = radius * 2
  // define a method to compute area
  // we use braces since we need more than one line of code
  def area = {

davetron5000

trait SuperComparable {
  // extenders need only implement this method
  // since it has no definition, it's abstract
  // Also notice that the final colon and type indicate
  // the return type of this method
  def compareTo(x: Any): Int
  // here we have a method that works in terms
  // of the abstract one above, just as you
  // would have in a Java abstract class
  // Also note that we don't need to declare

davetron5000

public interface SuperComparable extends Comparable {
    boolean lessThan(Object o);
    boolean greaterThan(Object o);
    boolean same(Object o);
}

davetron5000

class Cylinder(h: Int, r:Int) extends Circle(r) {
  val height = h;
  override def area = (super.area * 2) + (2 * 3.14 * r * height)
  def volume = super.area * height
  override def toString = "Cylinder with radius " + radius
}