Java Vocabulary 2025/2026 Exam
Questions and Answers | A+ Score
Assured
boolean - 🧠ANSWER ✔✔Refers to an expression or variable that can have
only a true or false value.
Class - 🧠ANSWER ✔✔A class definition defines instance and class
variables and methods, as well as specifying the interfaces the class
implements and the immediate superclass of the class. A class name
always starts with a capital letter.
Comments - 🧠ANSWER ✔✔Explanatory text that is ignored by the
compiler. In programs written in the Java programming language,
comments are delimited using // or /* ...*/
, Compiler - 🧠ANSWER ✔✔A program to translate source code into code to
be executed by a computer. The Java compiler translates source code
written in the Java programming language into bytecode for the Java virtual
machine.
Concatenation - 🧠ANSWER ✔✔The actual meaning is 'to link together'.
Concatenating Strings means to join different Strings together to form a
new String. Using an empty String, denoted by "", will convert a number to
a String so it can be displayed. The symbol used to join Strings is the +
sign.
Constructor - 🧠ANSWER ✔✔A piece of code that creates an object. In the
Java programming language, constructors have the same name as their
class and also start with a capital letter. Constructors are invoked using the
new keyword. There can be more than one constructor to a class.
double - 🧠ANSWER ✔✔a data type used to denote a number with a
decimal place e.g 2.15
field - 🧠ANSWER ✔✔A data member of a class. Also known as an instance
variable. They are always declared private.
Questions and Answers | A+ Score
Assured
boolean - 🧠ANSWER ✔✔Refers to an expression or variable that can have
only a true or false value.
Class - 🧠ANSWER ✔✔A class definition defines instance and class
variables and methods, as well as specifying the interfaces the class
implements and the immediate superclass of the class. A class name
always starts with a capital letter.
Comments - 🧠ANSWER ✔✔Explanatory text that is ignored by the
compiler. In programs written in the Java programming language,
comments are delimited using // or /* ...*/
, Compiler - 🧠ANSWER ✔✔A program to translate source code into code to
be executed by a computer. The Java compiler translates source code
written in the Java programming language into bytecode for the Java virtual
machine.
Concatenation - 🧠ANSWER ✔✔The actual meaning is 'to link together'.
Concatenating Strings means to join different Strings together to form a
new String. Using an empty String, denoted by "", will convert a number to
a String so it can be displayed. The symbol used to join Strings is the +
sign.
Constructor - 🧠ANSWER ✔✔A piece of code that creates an object. In the
Java programming language, constructors have the same name as their
class and also start with a capital letter. Constructors are invoked using the
new keyword. There can be more than one constructor to a class.
double - 🧠ANSWER ✔✔a data type used to denote a number with a
decimal place e.g 2.15
field - 🧠ANSWER ✔✔A data member of a class. Also known as an instance
variable. They are always declared private.
