[Java] 整数を２進の文字列に変換

●整数を２進の文字列に変換

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public class toBinaryStringDemo {
    public static void main(String args[]){

        for(int i=1; i < 16; i++){
            String s = Integer.toBinaryString(i);
            System.out.println(i + " " + s );
        }
    }
}
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