蓝桥杯基础练习VIP-字符串对比 （Java代码）

解题思路:这是一道简单的模拟题，先判断两个字符串的长度是否相等，再判断是否完全相同，然后再判断忽略大小写的情况下，两个字符串是否相同

注意事项:

参考代码:

import java.io.*;

import java.math.BigDecimal;

import java.math.BigInteger;

import java.math.RoundingMode;

import java.util.*;

import javax.management.RuntimeErrorException;

public class Main {

static class InputReader 

{

public BufferedReader br;

public StringTokenizer tokenizer;

public InputReader(InputStream ins)

{

br=new BufferedReader(new InputStreamReader(ins));

tokenizer=null;

}

public String next()

{

while(tokenizer==null||! tokenizer.hasMoreTokens())

{

try {

tokenizer=new StringTokenizer(br.readLine());

} catch (Exception e) {

// TODO: handle exception

throw new RuntimeException(e);

}

}

return tokenizer.nextToken();

}

public int nextInt()

{

return Integer.parseInt(next());

}

public Long nextLong()

{

return Long.parseLong(next());

}

public double nextDouble()

{

return Double.parseDouble(next());

}

public String nextLine() throws IOException

{

return br.readLine();

}

}

    public static InputReader in;

    public static PrintWriter out;

    static int N=200000;

    static int mod=10007;

    static class Task

    {

    public void solve(InputReader in,PrintWriter out)

    {

    Scanner sc=new Scanner(System.in);

    String s1=sc.next();

    String s2=sc.next();

    int len1=s1.length();

    int len2=s2.length();

    if(len1!=len2)

    {

    out.println(1);

    }

    else 

    {

if(s1.equals(s2))

{

out.println(2);

}

else 

{

s1=s1.toLowerCase();

s2=s2.toLowerCase();

if(s1.equals(s2))

{

out.println(3);

}

else 

{

out.println(4);

}

}

}

    }

    }

    public static void main(String[] args) throws IOException{

    //InputStream ins=new FileInputStream("C:\\input.txt");

    InputStream ins=System.in;

    in=new InputReader(ins);

    out=new PrintWriter(System.out);

    new Task().solve(in, out);

    out.close();

    }

}