0 1 2 3 4 5 6 7 8 9 10 <- available indexes for substring u n i v E R S i t y ↑ ↑ start end --> range of "E R S" Quoting the docs: The substring begins at the specified beginIndex and extends to the character …

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 …

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 …

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 …

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 …

Do you always need first 3 characters then why not set int1 = 0 and int2 = 3? What is the problem actually in doing that? Do you expect the string to be less than 3 characters in cases. Even if length …

Jan 16, 2017 · New answer As of update 6 within Java 7's lifetime, the behaviour of substring changed to create a copy - so every String refers to a char[] which is not shared with any other object, as far …

Jun 5, 2009 · Java's substring method fails when you try and get a substring starting at an index which is longer than the string. An easy alternative is to use Apache Commons StringUtils.substring:

12 You can use Apache commons: For substring after last occurrence use this method. And for substring after first occurrence equivalent method is here.