kamatama41

class CountDownLatch
  def initialize(count)
    raise ArgumentError, 'count < 0' if count < 0
    @count = count
    @lock = Monitor.new
    @condition = @lock.new_cond
  end

  def count_down
    @lock.synchronize do

kamatama41

public class Currency {

    public static enum Type {
        JPY, USD, EUR,
    }

    private Type type;

    private double rate;

kamatama41

```
irb(main):001:0> def hoge(a=1, b, c=3) a+b+c end
SyntaxError: (irb):1: syntax error, unexpected '=', expecting ')'
def hoge(a=1, b, c=3) a+b+c end
                   ^
	from /Users/shinichi/.rbenv/versions/2.2.3/bin/irb:11:in `<main>'
irb(main):002:0> def hoge(b, a=1, c=3) a+b+c end
=> :hoge
irb(main):003:0> hoge 100
=> 104

kamatama41

import java.time.OffsetDateTime;
import java.time.format.DateTimeFormatter;

public class 日本人 {
    protected final String name;
    protected final OffsetDateTime birthdate;

    public 日本人(String name, String birthdate) {
        this.name = name;
        // 2011-12-03T00:00:00+09:00

kamatama41

public abstract class Parent {
    public abstract Number someMethod();
}

public class Child extends Parent {
    @Override
    @Sample
    public Integer someMethod() {
        return 1;
    }

kamatama41

package snippet;

import java.io.FileOutputStream;
import java.util.List;

import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.IndexedColors;
import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFCellStyle;
import org.apache.poi.xssf.usermodel.XSSFFont;

kamatama41

package main

import (
    "fmt"
    "time"
)

type Fetcher interface {
    // Fetch returns the body of URL and
    // a slice of URLs found on that page.

kamatama41

package main

import (
    "fmt"
    "time"
)

func putChannel(c chan int, count int) {
    for i := 0; i < count; i++ {
        c <- i

kamatama41

package main

import (
    "bytes"
    "io"
    "os"
    "strings"
)

type rot13Reader struct {

kamatama41

package main

import (
	"encoding/json"
	"fmt"
	"net/http"
)

type String string