Hi all .hope all is well ..A quick trim question
Hi all
Hope all is well ......
I have a quick trim question I want to remove part of a string and I am finding it difficult to achieve what I need
I set the this.setTitle(); with this
String TitleName = "Epod Order For: " + dlg.ShortFileName() +" " + "Read Only";
dlg.ShortFileName();
this.setTitle(TitleName);
setFieldsEditable(false);
[/code]
Now I what to use a jbutton to remove the read only part of the string. This is what I have so far
[code]
void EditjButton_actionPerformed(ActionEvent e) {
String trim = this.getTitle();
int stn;
if ((stn = trim.lastIndexOf(' ')) != -2)
trim = trim.substring(stn);
this.setTitle(trim);
[/code]
Please can some one show me or tell me what I need to do. I am at a lose
there's several solutions:
// 1 :
//you do it twice because there's a space between "read" and "only"
int stn;
if ((stn = trim.lastIndexOf(' ')) != -1){
trim = trim.substring(0,stn);
if ((stn = trim.lastIndexOf(' ')) != -1){
trim = trim.substring(0,stn);
//2 :
//if the string to remove is always "Read Only":
if ((stn = trim.toUpperCase().lastIndexOf("READ ONLY")) != -1){
trim = trim.substring(0,stn);
//3: use StringTokenizer:
StringTokenizer st=new StringTokenizer(trim," ");
String result="";
int count=st.countTokens();
for(int i=0;i<count-2;i++){
result+=st.nextToken()+" ";
trim=result.trim();//remove the last spaceyou may find other solutions too...
perhaps solution 2 is better, because you can put it in a separate method and remove the string you want to...
somthing like:
public String removeEnd(String str, String toRemove){
int n;
String result=str;
if ((n = str.toUpperCase().lastIndexOf(toRemove.toUpperCase())) != -1){
result= str.substring(0,stn);
return result;
}i haven't tried this method , but it may work...
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