The methods that only accept a char value cannot support supplementary characters. ... The methods that accept an int value support all Unicode characters, including supplementary …

Apr 2, 2013 · Other Methods To Consider String.equalsIgnoreCase () value equality that ignores case. Beware, however, that this method can have unexpected results in various locale …

May 31, 2012 · What's the difference between java.lang.String 's replace() and replaceAll() methods, other than the latter uses regex? For simple substitutions like, replace . with /, is …

Is there a native way to sort a String by its contents in java? E.g. String s = "edcba" -> "abcde"

Returning String Methods in Java? Asked 10 years, 10 months ago Modified 10 years, 10 months ago Viewed 103k times

Oct 31, 2011 · When we use ArrayList or HashMap in Java, we have to import java.util.ArrayList or java.util.HashMap. But when we use String, it doesn't require the import statement. Can …

Object obj; String methodName = "getName"; Without knowing the class of obj, how can I call the method identified by methodName on it? The method being called has no parameters, and a …

There are multiple ways to do it. If you have the string which you want to replace you can use the replace or replaceAll methods of the String class. If you are looking to replace a substring you …

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:

3 Traversing the string is probably the most efficient, though using Regex to do this might yield cleaner looking code (though you can always hide your traverse code in a function).