二进制运算等

public class toerjinzhi {
    public static void main(String[] args) {
        int  a = 2345678;
        System.out.println(Integer.toBinaryString(a));
        StringBuilder res = new StringBuilder();
        while (a !=0){
            int temp = a % 2;
            a = a/2;
            res.append(temp);
        }
        System.out.println(res.reverse());
    }
}