1Z0-815 Exam Questions

Which two modules include APIs in the Java SE Specification? (Choose two.)

Given: What is the output?

Which two statements are true about the modular JDK? (Choose two.)

Given the code fragment: What is the result?

Given: What is the result?

Which set of commands is necessary to create and run a custom runtime image from Java source files?

Given: What is the result?

Given: It is required that if p instanceof Pair then p.isValid() returns true. Which is the smallest set of visibility changes to insure this requirement is met?

Given: What is the result?

Which two are benefits of polymorphism?

What is the name of the Java concept that uses access modifiers to protect variables and hide them within a class?

Which statement best describes encapsulation?

View the exhibit: public class Student { public String name = ""; public int age = 0; public String major = "Undeclared"; public boolean fulltime = true; public void display() { Sy...

Given: What is the result?

Given: What is the result?

Given: executed using this command: java Myclass My Car is red What is the output of this class?

Given: Which two allow a.Main to allocate a new Person? (Choose two.)

Given: Which loop incurs a compile time error?

Which two statements are true about Java modules? (Choose two.)

What should keyword1 and keyword2 be respectively, in oreder to produce output 2345? int [] array = {1,2,3,4,5}; for (int i: array) { if ( i < 2) { keyword1 ; } System.out.println(...

What is the result? boolean log3 = ( 5.0 != 6.0) && ( 4 != 5); boolean log4 = (4 != 4) || (4 == 4); System.out.println("log3:"+ log3 + \nlog4" + log4);

Which statement will emoty the contents of a StringBuilder variable named sb?

What is the result? Class StaticField { static int i = 7; public static void main(String[] args) { StaticFied obj = new StaticField(); obj.i++; StaticField.i++; obj.i++; System.out...

Given: Which two lines of code when inserted in line 1 correctly modifies instance variables? (Choose two.)

Given: What is the expected result of javac?

Given: Which is true?

Given: Which would cause s to be AQCD?

Given: Which two lines cause compilation errors? (Choose two.)

Which describes a characteristic of setting up the Java development environment?

Which two are valid array declaration?

Given: class Overloading { int x(double d) { System.out.println("one"); return 0; } String x(double d) { System.out.println("two"); return null; } double x(double d) { System.out.p...

Given: public class MainMethod { void main() { System.out.println("one"); } static void main(String args) { System.out.println("two"); } public static void main(String[] args) { Sy...

Given: public class ScopeTest { int j, int k; public static void main(String[] args) { ew ScopeTest().doStuff(); } void doStuff() { nt x = 5; oStuff2(); System.out.println("x"); }...

A method is declared to take three arguments. A program calls this method and passes only two arguments. What is the results?

Given: What is the result?

Given: Which two statements are true if the method is added to Bar? (Choose two.)

Given the code fragment: What is the result?

Given: executed using command: java Hello "Hello World" Hello World What is the output?

Given the code fragment: What is the result?

Given: What is the result?

Given: What is the result?

Which three are valid replacements for foo so that the program will compiled and run? public class ForTest { public static void main(String[] args) { int[] arrar = {1,2,3}; for ( f...

Given: public class SampleClass { public static void main(String[] args) { AnotherSampleClass asc = new AnotherSampleClass(); SampleClass sc = new SampleClass(); sc = asc; System.o...

Given the code fragment: int b = 3; if ( !(b > 3)) { System.out.println("square"); }{ System.out.println("circle"); } System.out.println("..."); What is the result?

What is the proper way to defined a method that take two int values and returns their sum as an int value?

Which two are Java Exception classes?

Which two statements are correct about try blocks? (Choose two.)

Given: What is the output?

Given: What is the result?

Given: What is the result?