UNIT 4 QUIZZIZ REVIEW #2

Java casts variables to unifying types when one preforms arithmetic with unlike types.

• TRUE

• FALSE

If a method has a double parameter and the programmer passes an integer, the integer is promoted to a double.

• TRUE

• FALSE

Java can promote one data type to another when the programmer passes a parameter to the method.

• TRUE

• FALSE

Overloading is a method that allows the user to use one identifier to execute diverse tasks.

• TRUE

• FALSE

In overloaded methods, the parameter identifiers do not have to be different.

• TRUE

• FALSE

When a programmer overloads a Java method, multiple methods do not share a name.

• TRUE

• FALSE

The order of promotion is double, _______, long, and int.

• float

• byte

• short

• char

The simpleMethod() has a ________ parameter.

Public static void simpleMethod (double d)

{

System.out.println (“Method receives double parameter”);

}

• DOUBLE

• LONG

• INT

• FLOAT

Overloading methods is preferable to using _______ identifiers because it is convenient for programmers to use on reasonable name for tasks that are identical.

• regular

• unique

• method

• string

What data type are the parameters in this method?

Public static void calculateInterest (double bal, double rate)

{

Double interest;

Interest = bal* rate;

System.out.println (“Simple interest on $” + bal + “at” + rate + % rate is” + interest);

}

• double

• long

• int

• float