public class TrimTest { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub System.out.println(trimCharacter("I am Chinese.")); //"I am Chines" System.out.println(trimCharacter("return"+"\n")); //"retur" }
if(str.length > 2){
str = str.substring(0,str.length - 2);
}
这样就行了吧
str = str.subString(0, str.length() - 2);
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
System.out.println(trimCharacter("I am Chinese.")); //"I am Chines"
System.out.println(trimCharacter("return"+"\n")); //"retur"
}
public static String trimCharacter(String str){
if(str.length() >= 2)
str = str.substring(0, str.length() - 2);
return str;
}
}