1Z0-803 Practice Questions

Given: Which two actions, used independently, will permit this class to compile?

Given: What is the result?

Given: Which statement, when inserted into line "// TODO code application logic here ", is valid change?

Given the code fragment: System.out.println("Result: " + 2 + 3 + 5); System.out.println("Result: " + 2 + 3 * 5); What is the result?

Which code fragment is illegal?

Given: What is the result?

Given the code fragment: int a = 0; a++; System.out.println(a++); System.out.println(a); What is the result?

Given a java source file: What changes will make this code compile?

Given: What is the result?

Given: What three modifications, made independently, made to class greet, enable the code to compile and run?

Given: Which three lines will compile and output "right on!"?

Given the code fragment: String h1 = "Bob"; String h2 = new String ("Bob"); What is the best way to test that the values of h1 and h2 are the same?

Which two are valid declarations of a two-dimensional array?

Given: Which two are possible outputs?

Given the code fragment: System.out.println ("Result:" +3+5); System.out.println ("result:" + (3+5)); What is the result?

A method doSomething () that has no exception handling code is modified to trail a method that throws a checked exception. Which two modifications, made independently, will allow t...

Which two may precede the word "class" in a class declaration?

Given the code fragment: What is the result?

Given: What code should be inserted?

Which three are bad practices?

Given: Which two declarations will compile?

Given: class X {} class Y {Y () {}} class Z {z(int i ) {} } Which class has a default constructor?

Given the code fragment: What values of x, y, z will produce the following result? 1 2 3 4 1 2 3 4 1 2 3 4 ------ 1 2 3 4 ------

Which statement initializes a stringBuilder to a capacity of 128?

Given: What is the result?

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

Given the fragment: What is the result?

Given the following code fragment: What is the result if the integer value is 33?

Which three are advantages of the Java exception mechanism?

Given the code fragment: Boolean b1 = true; Boolean b2 = false; int 1 = 0; while (foo) {} Which one is valid as a replacement for foo?

Given: What should statement1, statement2, and statement3, be respectively, in order to produce the result? Shape: constructor Square: foo Shape: foo

Give: Public Class Test { } Which two packages are automatically imported into the java source file by the java compiler?

Given: What is the reference type of myZ and what is the type of the object it references?

Given: What is the result?

Given the code fragment: How many times is 2 printed?

Given: What is the result?

Given: What is true about the class Wow?

Which two will compile, and can be run successfully using the command: Java fred1 hello walls

Given: What is the result?

Given: What is the result?

Which two statements are true?

The catch clause argument is always of type___________.

Given: public class x{ public static void main (string [] args){ String theString = "Hello World"; System.out.println(theString.charAt(11)); } } What is the result?

Given the code fragment: What is the result?

View the exhibit: What is the result when this program is executed?

Given the code fragment: What is the result?

Given: What is the result?

Which two are valid instantiations and initializations of a multi dimensional array?

An unchecked exception occurs in a method dosomething() Should other code be added in the dosomething() method for it to compile and execute?

Given the code fragment: interface SampleClosable { public void close () throws java.io.IOException; } Which three implementations are valid?