/*
练习一:除去两端的空格
*/
class StringTest
{
public static void sop(String str)
{
System.out.println(str);
}
public static String mytrim(String str)
{
int start=0,end=str.length()-1;
while(start<=end&&str.charAt(start)==' ')
start++;
while(start<=end&&str.charAt(end)==' ')
end--;
return str.substring(start,end+1);
}
public static void main(String[] args)
{
String s=" adfds dsa ";
sop(s);
s=mytrim(s);
sop(s);
}
}
练习一:除去两端的空格
*/
class StringTest
{
public static void sop(String str)
{
System.out.println(str);
}
public static String mytrim(String str)
{
int start=0,end=str.length()-1;
while(start<=end&&str.charAt(start)==' ')
start++;
while(start<=end&&str.charAt(end)==' ')
end--;
return str.substring(start,end+1);
}
public static void main(String[] args)
{
String s=" adfds dsa ";
sop(s);
s=mytrim(s);
sop(s);
}
}