May 31, 2012 · I always thought if I do String s = "Hello World".substring(0, 5), then I just get a new string s = "Hello". This is also documented in the Java API doc: "Returns a new string that is a …

“Substring creates a new object out of source string by taking a portion of original string”. Until Java 1.7, substring holds the reference of the original character array, which means even a sub-string of 5 …

I have a string: /abc/def/ghfj.doc I would like to extract ghfj.doc from this, i.e. the substring after the last /, or first / from right. Could someone please provide some help?

Dec 24, 2016 · string.substring(int id) returns a substring of the string which starts at index id. id is an index, but not the position! Remember, indexes start counting from 0! Please, check the Javadoc. …

Apr 19, 2013 · Strings in Java are immutable. Basically this means that, once you create a string object, you won't be able to modify/change the content of a string. As a result, if you perform any …

Feb 18, 2017 · In the example code above we use the String.substring () method to gather our sub-string from within the string. To get this sub-string we need to supply the String.substring () method …

In Java, how do I check if a string contains a substring (ignoring case)? [duplicate] Asked 16 years ago Modified 4 years, 2 months ago Viewed 1.3m times

Sep 16, 2011 · If one simply applies the currently accepted answer (using str.substring(0, str.length() - 1), one splices the surrogate pair, leading to unexpected results. One should also include a check …

14 Both are 0-based, but the start is inclusive and the end is exclusive. This ensures the resulting string is of length start - end. To make life easier for substring operation, imagine that characters are …

Oct 29, 2014 · The second example already shows why the choice to use an inclusive start index and an exclusive end index might be a good idea: It's easy to slice out a substring of a certain length, without …