Unit 2 Reviewing the Basics Quiz

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When you perform arithmetic with values of diverse types, Java ____________.

c. implicitly converts the values to a unifying type

The equal to relational operator is ____________.

d. "=="

An escape sequence always begins with a(n) ____________.

d. backslash

Which assignment is correct in Java?

d. double value = 2.12;

Which of the following is not a primitive data type in Java?

sector

According to the rules of operator precedence, when division occurs in the same arithmetic statement as ____________, the division operation always takes place first.

subtraction

In Java, what is the value of 3 + 7 * 4 + 2?

33

A boolean variable can hold any character.

False

The assignment operator in Java is ==.

False

The value 137.68 can be held by a variable of type float.

True

You use a type cast to explicitly override an implicit type.

a. True

Which assignment is correct in Java?

a. double money = 12.0; b. double money = 12; c. double money = 12.0d; d. **All of the answer choice assignments are correct.**

The remainder operator ____________.

a. is represented by %

Which Java statement produces w on one line and xyz on the next line?

b. System.out.println("w\nxyz");

Which of the following elements is not required in a variable declaration?

b. a period

When data cannot be changed after a class is compiled, the data is ____________.

b. constant

Which of the following data types can store the value 0 using the least amount of memory?

byte

Which assignment is correct in Java?

c. char aChar = '*';

Assuming you have declared shoeSize to be a variable of type int, which of the following is a valid assignment statement in Java?

c. shoeSize = 9;

If you attempt to add a float, an int, and a byte, the result will be a(n) ____________.

d. float


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