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Java 1 Review

Quiz by Praise Apata

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12 questions
Show answers
  • Q1
    What is a variable in Java?
    A name associated with a memory location in the computer
    A keyword used to create a data type
    A value stored in computer memory
    A way to find an object in Java
    30s
  • Q2
    Which data type is used to store decimal numbers in Java?
    double
    int
    boolean
    String
    30s
  • Q3
    Which data type is used to store true or false values in Java?
    double
    String
    int
    boolean
    30s
  • Q4
    What is the purpose of variable initialization in Java?
    The first time a variable is assigned a value
    Declaring a variable with a data type
    Creating a named memory location
    Printing the value of a variable
    30s
  • Q5
    What is the purpose of an assignment statement?
    To divide one number by another.
    To initialize or change the value stored in a variable.
    To increment a variable.
    To evaluate compound expressions.
    To test if two items are equal.
    30s
  • Q6
    What is the operator used to test if two items are not equal in Java?
    !=
    =
    ==
    <
    >
    30s
  • Q7
    Which operator is used to assign a value to a variable in Java?
    >
    <
    =
    !=
    ==
    30s
  • Q8
    What does the == operator do in Java?
    Tests if the value on the left is not equal to the value on the right.
    Performs mathematical division.
    Assigns a value to a variable.
    Tests if the value on the left is equal to the value on the right (in terms of address)
    Tests if the value on the left is equal to the value on the right (in terms of content)
    Performs mathematical multiplication.
    30s
  • Q9
    What does the modulo operator (%) return?
    The difference between two numbers.
    The quotient after dividing one number by another.
    The remainder after dividing one number by another.
    The product of two numbers.
    The sum of two numbers.
    30s
  • Q10
    What is the purpose of incrementing a variable?
    To evaluate compound expressions.
    To test if two items are equal.
    To divide one number by another.
    To increase its value by a specific amount.
    To assign a value to a variable.
    30s
  • Q11
    What is the purpose of using parentheses in arithmetic expressions?
    To increment a variable.
    To return the remainder of a division operation.
    To indicate the order of operations and ensure specific calculations are performed first.
    To compare two items for equality.
    To assign a value to a variable.
    30s
  • Q12
    What is the result of an arithmetic operation that uses two int values?
    A double value.
    An object value.
    A boolean value.
    An int value.
    A string value.
    30s

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