Question

Here’s my test code:

String foo = new String();
System.out.println(foo);

The output is blank and a new line is written. Since I’m new to Java, I don’t know whether it made a ” ” string, or nulls are handled as blank lines.

Answer 1

The string is initialised with no characters, or “” internally.

public String() {
    this.offset = 0;
    this.count = 0;
    this.value = new char[0];
}

The above source is taken from the Java source code. As the other poster pointed out, references can either be null or point to an object, if you create a String object and get a reference to point to it, that reference will not be null.