以下是加密和解密的程序:加密:importjava.io.*;classJiami26{publicstaticvoidmain(Stringargs[])throwsIOException{charb[];//存放密文BufferedReaderbr2=newBufferedReader(newIn...
以下是加密和解密的程序:
加密:
import java.io.*;
class Jiami26{
public static void main(String args[])throws IOException{
char b[];//存放密文
BufferedReader br2=new BufferedReader(new InputStreamReader(System.in));
System.out.println("请输入一段密文(只能输入小写字母):");
String str2=br2.readLine();
b=str2.toCharArray();
System.out.println("明文为:");
for (int k=1;k<=26 ;k++ )
{for(int i=0;i
char s=(char)((b[i]-'z'-k)%26+'z');//此处写“((b[i]-'a'-1)%26+'a')”也行
System.out.print(s);}
System.out.println(" 密匙K="+k);
}
System.out.println("请在以上结果中查找可能的明文");
}
}
解密:import java.io.*;
class Jiemi26{
public static void main(String args[])throws IOException{
char b[];//存放密文
BufferedReader br2=new BufferedReader(new InputStreamReader(System.in));
System.out.println("请输入一段密文(只能输入小写字母):");
String str2=br2.readLine();
b=str2.toCharArray();
System.out.println("明文为:");
for (int k=1;k<=26 ;k++ )
{for(int i=0;i
char s=(char)((b[i]-'z'-k)%26+'z');//此处写“((b[i]-'a'-1)%26+'a')”也行
System.out.print(s);}
System.out.println(" 密匙K="+k);
}
System.out.println("请在以上结果中查找可能的明文");
}
}
我想要把两个合并起来,请问怎么合并,要求是能够进入界面的时候选择加密还是解密
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