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 characters. …

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-related cases, see …

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:

Sep 1, 2010 · Can anybody explain to me the concept of the toString() method, defined in the Object class? How is it used, and what is its purpose?

I'm in a beginning programming class, and a lot of this had made sense to me up until this point, where we've started working with methods and I'm not entirely sure I understand the "static," "void...

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 there any difference?

If you edit the String.java file located in src.zip, and then rebuild the rt.jar, the String class will have more methods added by you. The downside is that that code will only work on your computer, or if you …

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 String …

May 21, 2009 · That String[] args part may become optional in future versions of Java. Work is underway to allow for simplified declaration of main method. See JEP 463: Implicitly Declared …

May 21, 2010 · How can we call a method which name is string at runtime. Can anyone show me how to do that in Java and C.