import java.io.*;
public class UpperCase
{
/**
* Method main
*
*
* @param args
*
*/
public void toUpperCase(StringReader sr,StringWriter sw)
{
char [] buf = new char[1024];
char [] bufw = new char[1024];
int len = 0;
int j = 0;
len = sr.read(buf);
Character [] newbuf = null;
for(int i = 0;i < len;i++)
{
Character newbuf[i] = new Character(buf[i]);
if(newbuf[i].isLetter() && newbuf[i].isLowerCase())
{
bufw[j] = newbuf[i].toUpperCase(newbuf[i].charValue());
j++;
}
}
sw.write(bufw);
}
public static void main(String[] args)
{
// TODO: Add your code here
StringReader sr = new StringReader("abcdef111111ghijklmnopqrstuvwxyz");
StringWriter sw = new StringWriter();
UpperCase uc = new UpperCase();
uc.toUpperCase(sr,sw);
System.out.println(sw.toString());
}
}老是提示缺少一个“[”,但是怎么看看不出来毛病,大虾帮忙!~
D:\JavaWork\UpperCase\UpperCase.java:22: ']' expected
Character newbuf[i] = new Character(buf[i]);
public class UpperCase
{
/**
* Method main
*
*
* @param args
*
*/
public void toUpperCase(StringReader sr,StringWriter sw)
{
char [] buf = new char[1024];
char [] bufw = new char[1024];
int len = 0;
int j = 0;
len = sr.read(buf);
Character [] newbuf = null;
for(int i = 0;i < len;i++)
{
Character newbuf[i] = new Character(buf[i]);
if(newbuf[i].isLetter() && newbuf[i].isLowerCase())
{
bufw[j] = newbuf[i].toUpperCase(newbuf[i].charValue());
j++;
}
}
sw.write(bufw);
}
public static void main(String[] args)
{
// TODO: Add your code here
StringReader sr = new StringReader("abcdef111111ghijklmnopqrstuvwxyz");
StringWriter sw = new StringWriter();
UpperCase uc = new UpperCase();
uc.toUpperCase(sr,sw);
System.out.println(sw.toString());
}
}老是提示缺少一个“[”,但是怎么看看不出来毛病,大虾帮忙!~
D:\JavaWork\UpperCase\UpperCase.java:22: ']' expected
Character newbuf[i] = new Character(buf[i]);
改成下面,
public void toUpperCase(StringReader sr,StringWriter sw)
{
char [] buf = new char[1024];
char [] bufw = new char[1024];
int len = 0;
int j = 0;
try
{
len = sr.read(buf);
Character newbuf ;
for(int i = 0;i < len;i++)
{
newbuf = buf[i];
if(Character.isLetter(newbuf) && Character.isLowerCase(newbuf))
{
bufw[j] = newbuf.toUpperCase(newbuf.charValue());
j++;
}
}
sw.write(bufw);
}
catch (Exception e)
{
}
}
newbuf = buf[i];
提示类型不兼容
if(Character.isLetter(newbuf) && Character.isLowerCase(newbuf))
提示isLetter(char) in java.lang.Character cannot be applied to (java.lang.Character)
还有几个错误不贴了。。帮忙啊。彻底迷茫了。。
public class UpperCase
{
/**
* Method main
*
*
* @param args
*
*/
public void toUpperCase(StringReader sr,StringWriter sw)
{
char [] buf = new char[1024];
char [] bufw = new char[1024];
int len = 0;
int j = 0;
try
{
len = sr.read(buf);
for(int i = 0;i < len;i++)
{
Character newbuf = new Character(buf[i]);
if(newbuf.isLetter(buf[i]) && newbuf.isLowerCase(buf[i]))
{
bufw[j] = newbuf.toUpperCase(newbuf.charValue());
j++;
}
}
sw.write(bufw);
}
catch(Exception e)
{
e.printStackTrace();
}
}
public static void main(String[] args)
{
// TODO: Add your code here
StringReader sr = new StringReader("abcdef111111ghijklmnopqrstuvwxyz");
StringWriter sw = new StringWriter();
UpperCase uc = new UpperCase();
uc.toUpperCase(sr,sw);
System.out.println(sw.toString());
}
}
OK。调试成功。
谢谢回复的lanseliuying(别那么小气!) 兄弟,虽然你的程序也漏洞百出。但是给我了一个很好的思路。就是在把char变Character的时候,不需要一个Character数组,只需要一个变量就行了。十分感激啊~!!兄弟。
newbuf = buf[i];
newbuf是Character ,buf[i]是char 编译器提示incompatible types。这个难道不是错误吗?。。不知道你用的什么编译器。
JDK上1.5运行的。