sparseVector v = new sparseVector(100); //size constructor; size is 100.
v.set(0, 1.0);
v.set(3, 2.0);
v.set(80,-4.5);
System.out.println(v.get(80)); //should print -4.5
System.out.println(v.get(50)); //should print 0.0
try {
System.out.println(v.get(101)); //error -- index out of range
throw new IllegalStateException("We should not get here, an exception should have been thrown");
} catch (IndexOutOfBoundsException t) {
// success
}
System.out.println(v.toString()); //should print something like [1.0, 0.0, 0.0, 2.0, 0.0, ...]