How to printf a Java String. To use the Java String printf method to format output text, follow these rules:. Use %s as the printf String specifier in the text string being formatted.; Use %S as the ...

The Long.parseLong() method returns a long primitive, not a wrapper.; The Long.parseLong() method uses the Long class, which is semantically correct. The Long.parseLong() method does not require ...

Highlighted in blue is the type. On the left, we have the type for Strings, `String`. On the right, we have the type for characters, `char`. Highlighted in orange is the name of our variables. We can ...

Use them like any other string method. By default, camelize converts strings to UpperCamelCase. If the argument to camelize is set to true then camelize produces lowerCamelCase. Create a class name ...