int i = 1234; String str = Integer.toString(i); Returns a String object representing the specified integer. The argument is converted to signed decimal representation and returned as a string, …

Alternatively, you can use an Ints method from the Guava library, which in combination with Java 8's Optional, makes for a powerful and concise way to convert a string into an int:

Nov 5, 2010 · If you say ""+i, Java creates a StringBuilder object, appends an empty string to it, converts the integer to a string, appends this to the StringBuilder, then converts the …

Jan 30, 2011 · There are at least three ways to do it. Two have already been pointed out: String s = String.valueOf(i); String s = Integer.toString(i); Another more concise way is: String s = "" + i; …

Jun 6, 2012 · Returns a string representation of the contents of the specified array. The string representation consists of a list of the array's elements, enclosed in square brackets ("[]"). …

Mar 9, 2010 · 46 There is also the java.lang.Integer.toString (int i, int base) method, which would be more appropriate if your code might one day handle bases other than 2 (binary). Keep in …

May 31, 2017 · The third solution is out of the question, since it implicitly creates a StringBuilder and appends the components (in this case, the number and the empty string) to that, and …

The main adavantage is that there is a String.valueOf method for boolean, char, int, long, float, double and Object, so the same method name can be used to convert anything to a String.

I would like to convert an array to a Set in Java. There are some obvious ways of doing this (i.e. with a loop) but I would like something a bit neater, something like: java.util.Arrays.asList(Obj...

Sep 27, 2010 · What are the alternative methods for converting and integer to a string?