Objects of wrapper class represents the primitive data type. Converting primitive types to object types are called boxing. Converting object types to primitive types are called unboxing. Additionally ...

Constructors Almost all wrapper classes contains two constructors. one can take corresponding primitive as argument and the other can take String as argument. Character class contains only one ...

In Java there are 8 primitive data types and to convert them into object we use wrapper classes. We use boxing and autoboxing to convert primitive into object and ...

The correct way to convert a String to long in Java is to use the parseLong(String x) method of the Long wrapper class. The following String to long example program converts the text String 90210 to a ...

Though Java already has a character type and char keyword to represent and manipulate characters, the language also requires a Character class for two reasons: Character c1 = new Character ('A ...

Java provides wrapper classes for each of the primitive types ... aVec.size(); // Convert a Vector to an Array Object[] anArray = aVec.toArray(); // Get a string representation of a Vector containing ...