public class Sample {
	private static interface ArrayAccess {
		
		int size();
		double get(int r, int c);
	}
	
	private static class WrapEntity implements ArrayAccess {

		private ArrayAccess array;
		private int row;
		private int col;
		private int size;
		
		public WrapEntity(ArrayAccess a, int r, int c){
			this.array = a;
			this.row = r;
			this.col = c;
			this.size = a.size()-1;
		}
		
		public double get(int r, int c) {
			r = r>=row ? r+1: r;
			c = c>=col ? c+1: c;
			return array.get(r, c);
		}

		public int size() {
			return size;
		}
		
	}
	
	private static class Entity implements ArrayAccess {
		
		private double[][] array;
		private int row;		
		private int col;
		private int size;
		
		public Entity(double[][] a, int r, int c){
			this.array = a;
			this.row = r;
			this.col = c;
			this.size = a.length-1;
		}
		
		public int size(){
			return size;
		}
		
		public double get(int r, int c){
			r = r>=row ? r+1: r;
			c = c>=col ? c+1: c;
			return array[r][c];
		}
	}
	
	private static double sub(ArrayAccess array){
		if(array.size()==1){
			return array.get(0, 0);
		}
		if(array.size()==2){
			return array.get(0, 0)*array.get(1, 1)
					-array.get(0, 1)*array.get(1, 0);
		}
		// 行列式の計算
		double det = 0;
		final int length = array.size();
		for(int i=0;i<length;i++){
			double v = array.get(0, i);
			if(v!=0){
				double d = v*sub(new WrapEntity(array,0,i));
				det += i%2==0? d: -d;
			}
		}
		return det;
	}
	
	public static double cofactor(double[][] array){
		// 引数チェック
		if(array==null){
			throw new NullPointerException();
		}
		final int length = array[0].length;
		for(int i=0; i<array.length; i++){
			if(array[i].length!=length)
				throw new IllegalArgumentException();
		}

		// 行列式の計算
		double det = 0;
		for(int i=0;i<length;i++){
			double v = array[0][i];
			if(v!=0){
				double d = v*sub(new Entity(array,0,i));
				det += i%2==0? d: -d;
			}
		}
		return det;
	}

        // サンプル用メインメソッド
        public static void main(String[] args){
	
		double[][] array = {{1,2,3},{4,5,6},{7,8,9}};
		System.out.println(cofactor(array));
	}
}

public static void main(String[] args){
  double[][] array = {
    {1,2,3},
    {4,5,6},
    {7,8,9}
  };
  RealMatrix matrix = MatrixUtils.createRealMatrix(array);
  System.out.println(matrix.getDeterminant());  # 行列式の表示
}

Velocity.setProperty(VelocityEngine.RUNTIME_LOG_LOGSYSTEM_CLASS, 
    "org.apache.velocity.runtime.log.NullLogSystem");

runtime.log.logsystem.class=org.apache.velocity.runtime.log.NullLogSystem

    public static void main(String[] args) throws Exception{
        // 購入者情報
        Member member = new Member();
        member.setLastName( "佐藤" );
        member.setFirstName( "太郎" );
        member.setEmail("aaa@example.com");
        
        // 購入商品情報
        Item item1 = new Item();
        item1.setItemCode("0000-1111" );
        item1.setName( "健康食品1" );
        item1.setPrice(1000);

        Item item2 = new Item();
        item2.setItemCode("0000-1112" );
        item2.setName( "健康食品2" );
        item2.setPrice(2000);
        
        // 注文情報
        Order order = new Order();
        order.setMember( member );
        order.setOrderNumber("0001-AAAA");
        
        order.addItem(item1);
        order.addItem(item2);
        
        // 会社情報
        Company company = new Company();
        company.setName("なんでも.com");
        company.setEmail("bbb@example.com");        
        
        VelocityWrapper va = new VelocityWrapper( "mail.vm" );
        va.put( "order" , order );
        va.put( "company" , company );
        String body = va.merge();
        
        System.out.println(body);  
    }

    public class Company {

	private String name;
	private String email;

	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public String getEmail() {
		return email;
	}
	public void setEmail(String email) {
		this.email = email;
	}
    }

    public class Item {

	private String itemCode;
	private String name;
	private int price;
	
	public String getItemCode() {
		return itemCode;
	}
	public void setItemCode(String itemCode) {
		this.itemCode = itemCode;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public int getPrice() {
		return price;
	}
	public void setPrice(int i) {
		this.price = i;
	}
    }

    public class Member {

	private String lastName;
	private String firstName;
	private String email;

	public String getLastName() {
		return lastName;
	}
	public void setLastName(String lastName) {
		this.lastName = lastName;
	}
	public String getFirstName() {
		return firstName;
	}
	public void setFirstName(String firstName) {
		this.firstName = firstName;
	}
	public String getEmail() {
		return email;
	}
	public void setEmail(String email) {
		this.email = email;
	}	
    }

    public class Order {

	private Member member;
	private String orderNumber;
	private List itemList = new ArrayList();
	
	public Member getMember() {
		return member;
	}
	public void setMember(Member member) {
		this.member = member;
	}
	public String getOrderNumber() {
		return orderNumber;
	}
	public void setOrderNumber(String orderNumber) {
		this.orderNumber = orderNumber;
	}
	public List getItemList() {
		return itemList;
	}
	public void setItemList(List itemList) {
		this.itemList = itemList;
	}
	public void addItem(Item item1) {
		itemList.add(item1);		
	}
    }

    public class VelocityWrapper {

	/** テンプレートファイルの内容を格納したクラス */
	private Template template = null;

	/**
	 * テンプレート変換時に使用する オブジェクトを格納するためのクラス
	 */
	private VelocityContext context = new VelocityContext();

	/** Velocityエンジンにアクセスするためのクラス */
	private VelocityEngine engine = new VelocityEngine();

	public VelocityWrapper(String templateFileName) throws IOException,
			Exception {

		// velocity.propertiesによるVelocityEngineの初期化
		Properties props = new Properties();
		props.load(new FileInputStream("velocity.properties"));
		engine.init(props);

		// テンプレートの取得
		template = engine.getTemplate(templateFileName);
	}

	public void put(String key, Object value) {
		context.put(key, value);
	}

	public String merge() throws ResourceNotFoundException,
			ParseErrorException, MethodInvocationException, Exception {
		StringWriter sw = new StringWriter();
		template.merge(context, sw);
		return sw.toString();
	}
    }

input.encoding=Windows-31J
output.encoding=Windows-31J

$order.member.lastName　$order.member.firstName　様

$company.nameをご利用頂きありがとうございます。

以下の注文を承りました。
注文番号：$order.orderNumber

≪購入商品情報≫
-----------------------------
商品番号 |注文商品名|価格
-----------------------------
#set ($amount=0)
#foreach ( $item in $order.itemList)
$item.itemCode|$item.name|  $item.price
#set( $amount=$amount+$item.price)
#end
-----------------------------
         合計          $amount
#set ($point=0)
#if($amount<1000)
#set ($point=10)
#elseif($amount<2000)
#set ($point=20)
#else
#set ($point=30)
#end

獲得ポイントは$pointです。

=================================================
$company.name
メールアドレス：$company.email
=================================================

java -jar xbrlapi-api-YYYYMMDD.jar -logger [LOG4J.CONFIG]
     -class org.xbrlapi.data.dom.Load -cache [CACHE.LOCATION] [URL]+

java -Xmx1g -Dxbrlapi.test.configuration=[PATH.TO.CONFIGURATION.FILE]
     junit.textui.TestRunner org.xbrlapi.tests.AllTests

<div class="outer">
    <div class="inner">
        <!-- ここに文章などが記述されている。 -->
    </div class="inner">
</div class="outer">

.outer {
    text-align: center;
}
.inner {
    margin-left: auto;
    margin-right: auto;
    text-align: justify;
}
 

$real = 123.456;
print int($real);   # 123