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AP Computer Science Exam Questions and Answers
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AP Computer Science Exam Questions and Answers
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AP Computer Science Exam Questions and Answersdouble - Answer -A Java reserved word that represents a primitive floating point numeric type, stored using 64 bits in IEEE 754 format. Ex. 4.23
int - Answer -A java reserved word for a primitive dat type, stored using 32 bits in two's complement format. Ex. 5
boolean - Answer -A Java reserved word for a logical primitive data type that can only take the values "True" or "False".
string literal - Answer -A primitive value used in a program.
Ex. ("Hello")
casting - Answer -Most general form of converting in Java
Ex. dollars = (int) money
narrowing conversion - Answer -A conversion from one data type into another in which information could be lost. Converting from "double" to an "int" is a narrowing conversion
strongly typed - Answer -Assigned values must correspond to the declared type.
// - Answer -Comments a line of code in Java that will not be run with the program. More
of a side note.
//Hello
% - Answer -Remainder operator.
Operator Precedence Hierarchy - Answer -The order in which operators are evaluated in an expression.
primitive data - Answer -Characters with letters, or numbers: int, double, booleans
constant - Answer -A value that cannot be changed. Used to make more code more readable and to make changes easier. Defined in Java using the "final" modifier.
final - Answer -A Java reserved word that is a modifier for classes, methods, and variables. A "final" variable is a constant
void - Answer -A Java reserved word that indicates that no value is returned.
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