If the ArrayList collection col is defined as ArrayList col = new ArrayList(100); which statement inserts the string "apple" into the collection at the index 3?

col.add(3, "apple");

col.add("apple", 3);

col.insert(3, "apple");

col.insert("apple", 3);

Which statement defines a Java derived class B that inherits from the base class A?

public class B : A {

public class B(A) {

public class B extends A {

public class B inherits A {

In IntelliJ, a JAR file is an example of a(n) _____________________ .

artifact

asset

resource

widget

Two methods in the same class that have the same name, but different signatures are _____________________ methods.

helper

overloaded

overridden

static