Java SE 1z0-809 Exam Questions and Answers PDF

Given:

public class Customer {

private String fName;

private String lName;

private static int count;

public customer (String first, String last) {fName = first, lName = last;

++count;}

static { count = 0; }

public static int getCount() {return count; }

}

public class App {

public static void main (String [] args) {

Customer c1 = new Customer(“Larry”, “Smith”);

Customer c2 = new Customer(“Pedro”, “Gonzales”);

Customer c3 = new Customer(“Penny”, “Jones”);

Customer c4 = new Customer(“Lars”, “Svenson”);

c4 = null;

c3 = c2;

System.out.println (Customer.getCount());

}

}

What is the result?

Given:

public class Counter {

public static void main (String[ ] args) {

int a = 10;

int b = -1;

assert (b >=1) : “Invalid Denominator”;

int с = a / b;

System.out.println (c);

}

}

What is the result of running the code with the –da option?

Given the code fragment:

List nums = Arrays.asList (10, 20, 8):

System.out.println (

//line n1

);

Which code fragment must be inserted at line n1 to enable the code to print the maximum number in the nums list?

Given:

What is the result?