javaÎÊÌâ - Java / Java SE

import java.util.Scanner;
public class Lan2
{
public static void main(String[] args)
{
Scanner input=new Scanner(System.in);
System.out.println("ÇëÄúÊäÈë×Ö·û´®£º");
String t=input.next();
int i;
int b='a'-'A';
int j;
for (i=0;i<t.length() ;i++ )
{
char d=t.charAt(i);
if (d>='a'&&d<='z')
{
int c=(int)d;
char f=(char)(c-b);
System.out.print(f);
}
else if (d>='A'&&d<='Z')
{
int c=(int)d;
char f=(char)(c+b);
System.out.print(f);
}
else
{  
System.out.print("ÄúÊäÈëµÄ²»ÊÇ×Öĸ£¡"); //Õâ¾äÈçºÎÖ»Êä³öÒ»´Î£¿
}
}
}
}

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±ÉÊÓ½áÌùÂÊΪ0µÄÈË¡£

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