java课实验第一次随堂测试

题目1:
约瑟夫环
题目2:
冒泡排序
题目三:
循环字符串

import java.util.Scanner;

class Complex
{
   
    
    
    private double realPart;
    private double imaginaryPart;
    public Complex() {
   
    
    

    }
    public Complex(double realPart,double imaginaryPart