What will happen when you try to access an object reference with a null value?  You will get a compilation error.  An empty object is returned.  NullPointerException.  The value null is retrieved from the memory location.

hrows a NullPointerException if the value is nullReturns the value if it is not null, otherwise returns nullIgnores null values and proceeds with the operationConverts a nullable type to a non-nullable type

In Java, which of the following statements about reference types are correct:They contain the value of the object that they refer to.A reference can be assigned to another object of the same type.A reference can be assigned to a new object by using the new keyword.They throw a compiler error if you attempt to assign them null.1, 2, and 31, 2, and 42 and 32, 3, and 4

An object without a valid reference is a candidate for Java Garbage Collection. True or False?

In Java, the declaration of the following code results in __________.public static void main(String[] args) { … Car car; …}1 pointA Car object with unknown stateA Car reference with an undefined valueA Car reference with a null value

Objects are accessed using reference variables.   True or False?  True False