三层加密:if-else嵌套

import java.util.Scanner;
//三层加密if-else嵌套，写if-else嵌套的时候从内到外
//import com.sun.org.apache.xerces.internal.util.SynchronizedSymbolTable;

public class XunHunQianTao {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner input = new Scanner(System.in);
		int y1 = 1234,y2 = 5678,y3 = 9012;
		int m1,m2,m3;
		int i = 1,k = 1,j = 1;
		System.out.println("<<欢迎来到微盟加密公司>>");
		System.out.println("友情提示，密码只能输入三次");
		while(i <= 3)
		{
			System.out.println("请输入m1:");
			m1 = input.nextInt();
			if(m1 == y1)
			{
				System.out.println("请输入m2:");
				m2 = input.nextInt();
				if(m2 == y2)
				{
					System.out.println("请输入m3:");
					m3 = input.nextInt();
					if(m3 == y3)
					{
						System.out.println("恭喜你，输入正确");
						break;
					}
					else
					{
						while(k <= 2)
						{
							System.out.println("输入错误，请重新输入m3:");
							m3 = input.nextInt();
							if(m3 == y3)
							{
								System.out.println("恭喜你，输入正确");
								break;
							}
							k ++;
						
						}
						break;
					}
				}
				else
				{
					
				    
				    while(j <= 2)
				   {
				    System.out.println("输入错误，请重新输入m2：");
					m2 = input.nextInt();
					if(m2 == y2)
					{
						System.out.println("请输入m3:");
						m3 = input.nextInt();
						if(m3 == y3)
						{
							System.out.println("恭喜你，输入正确");
							break;
						}
						else
						{
							while(k <= 2)
							{
								System.out.println("输入错误，请重新输入m3:");
								m3 = input.nextInt();
								if(m3 == y3)
								{
									System.out.println("恭喜你，输入正确");
									break;
								}
								k ++;
							
							}
							break;
						}
				   }
					j ++;
				}
				break;
			}
		}
		i ++;
	
	  }
		if(i == 4 || k == 3 || j == 3)
		{
			System.out.println("系统自动关闭");
		}
	}
}

来源：CSDN

作者：@大愚@

链接：https://blog.csdn.net/qq_43728862/article/details/104791705