as in the following example. String s1 = new String("Hello world!"); That code will create an s1 string object and a reference variable. As noted, Java strings are immutable. Once created, a string ...

Classes and objects in Java must be initialized before they are used. You’ve previously learned that class fields are initialized to default values when classes are loaded, and that objects are ...

For example, in Java 8, the bootstrap class loader was ... Get the class loader for the String class, loaded by the Bootstrap Class Loader ClassLoader loader = String.class.getClassLoader ...

In the above example of Java’s String length method ... I used a variety of methods from the String class, including length(), charAt() and substring(). To get the number of characters in a given ...