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You can also remove a specified character or substring from a string by calling the String. Replace(String, String) method and specifying an empty string (String. Empty) as the replacement. The following example removes all commas from a string.
You can use the substring() method of java. lang. String class to remove the first or last character of String in Java. The substring() method is overloaded and provides a couple of versions that allows you to remove a character from any position in Java.
Use the deleteCharAt Method to Remove a Character From String in Java. The deleteCharAt() method is a member method of the StringBuilder class that can also be used to remove a character from a string in Java.
No, because Strings in Java are immutable.
Strings in java are immutable. That means you need to create a new string or overwrite your old string to achieve the desired affect:
id = id.replace(".xml", "");
Can't you use
id = id.substring(0, id.length()-4);
And what Eric said, ofcourse.
Strings are immutable, so when you manipulate them you need to assign the result to a string:
String id = fileR.getName();
id = id.replace(".xml", ""); // this is the key line
idList.add(id);
Strings are immutable. Therefore String.replace() does not modify id, it returns a new String with the appropriate value. Therefore you want to use id = id.replace(".xml", "");.
String id = id.substring(0,id.length()-4)
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