1Z0-811 Java Language Fundamentals 3

Question 1

What is the range of a Java 'byte' data type?

Accepted Answer

-128 to 127

Answer

0 to 255

Answer

-256 to 255

Answer

-32768 to 32767

Question 2

What is the output of the following?

int a = 10;
int b = 3;
System.out.println(a % b);

Accepted Answer

1

Answer

3

Answer

0

Answer

3.33

Question 3

Which statement about 'var' in Java 11 is correct?

Accepted Answer

var can be used for local variable type inference

Answer

var can be used for method parameters

Answer

var is a reserved keyword in Java 11

Answer

var can be used for instance variable declarations

Question 4

What happens when you compare two String objects using == in Java?

Accepted Answer

It compares their memory references

Answer

It compares their content

Answer

It always returns true if content is the same

Answer

It throws a NullPointerException

Question 5

What is the result of the expression: (int) 9.99?

Accepted Answer

9

Answer

10

Answer

9.99

Answer

Compilation error

Question 6

Which access modifier allows access only within the same class?

Accepted Answer

private

Answer

protected

Answer

default (no modifier)

Answer

public

Question 7

What is printed by this code?

for (int i = 0; i < 3; i++) {
  if (i == 1) continue;
  System.out.print(i + " ");
}

Accepted Answer

0 2

Answer

0 1 2

Answer

1 2

Answer

0 1