Add characters to the string. The following code shows you how to add string characters to a Java string:myvar = myvar + " More characters.";This code creates the string "Initialized value.

Java applications evaluate expressions. Evaluating an expression produces a new value that can be stored in a variable, used to make a decision, and more. How to write simple expressions ...

Java applications process characters, integers, floating-point numbers, strings, and other kinds of values. All values of the same kind share certain characteristics.