tksmaru

double count = 0;

10.times {
  count += 0.1
}

print count

tksmaru

  	// JDK 1.4 style
		List oldList = new ArrayList();
		oldList.add(Integer.valueOf(1));
		int oldNumber = ((Integer) oldList.get(0)).intValue();

		// JDK 1.5 over
		List<Integer> newList = new ArrayList<Integer>();
		newList.add(1);
		int modernNumber = newList.get(0);

tksmaru

import java.lang.reflect.Field;

public class ReflectionTest {

	public static void main(String[] args) throws Exception {

		Mizuno mizuno = new Mizuno();
		System.out.println("リフレクション前 : " + mizuno.talk()); // …

		Class<? extends Mizuno> clazz = mizuno.getClass();

tksmaru

package org.tksmaru.playgound;

import java.lang.reflect.Constructor;

public class ActiveClassWithReflection {


	private enum ErrorType {
		LESS_MONEY("less.money", UserException.class),
		NO_STOCK("no.stock", ShopException.class),

tksmaru

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

public class CollectionUtils {

	/**
	 * Listを指定したサイズ毎に分割します。
	 *
	 * @param origin 分割元のList