A small example of Java character determination
- 2020-04-01 02:15:00
- OfStack
Code:
import java.io.*;
public class Practice {
public static void main(String[] args) {
// TODO Auto-generated method stub
BufferedReader buf;
buf=new BufferedReader(new InputStreamReader(System.in));
try
{
String str=buf.readLine();
for(int i=0;i<str.length();i++){
char ch = str.charAt(i);
//System.out.println(ch);
if(!Character.isLetter(ch))
{
System.out.println(" This character is not a letter ");
}
else if(Character.isLetter(ch))
{
if (!Character.isLowerCase(ch))
{
System.out.println(" This character is uppercase ");
}
else if (Character.isLowerCase(ch))
{
System.out.println(" This character is lowercase ");
}
}
}
}
catch(Exception e)
{
}
}
}
The effect is shown in the figure:
< img border = 0 SRC = "/ / files.jb51.net/file_images/article/201309/2013911145711280.jpg" >