Podcast
Questions and Answers
What is the purpose of using constants in a program?
What is the purpose of using constants in a program?
- To display variable values on the screen
- To perform concatenation operations on strings
- To store variables that can be modified during program execution
- To hold fixed values that do not change during program execution (correct)
Which keyword precedes the declaration of a constant in Java?
Which keyword precedes the declaration of a constant in Java?
- static
- final (correct)
- const
- var
What is the convention for naming constants in Java?
What is the convention for naming constants in Java?
- Snake case
- All uppercase letters (correct)
- All lowercase letters
- CamelCase
Which data items do constants represent?
Which data items do constants represent?
What is the purpose of the concatenation operator in Java?
What is the purpose of the concatenation operator in Java?
Which keyword is used to output variable values on the screen in Java?
Which keyword is used to output variable values on the screen in Java?
What will happen if an attempt is made to modify a constant value in a program?
What will happen if an attempt is made to modify a constant value in a program?
When declaring constants, what does the keyword 'final' indicate?
When declaring constants, what does the keyword 'final' indicate?
What is the purpose of using symbolic constants in programming?
What is the purpose of using symbolic constants in programming?
What is the primary advantage of using constants in programming?
What is the primary advantage of using constants in programming?
What is a variable in Java?
What is a variable in Java?
Which Java data type allows for very small integers?
Which Java data type allows for very small integers?
What is the range of values for the Java type 'long'?
What is the range of values for the Java type 'long'?
Which Java data type is used for storing real numbers with greater precision?
Which Java data type is used for storing real numbers with greater precision?
What is the main purpose of declaring variables in a Java program?
What is the main purpose of declaring variables in a Java program?
What are the simple data types in Java often referred to as?
What are the simple data types in Java often referred to as?
What is the size of the Java data type 'long'?
What is the size of the Java data type 'long'?
Which Java data type allows for very small integers?
Which Java data type allows for very small integers?
What is the correct way to declare a variable in Java?
What is the correct way to declare a variable in Java?
What is the rule for naming identifiers in Java?
What is the rule for naming identifiers in Java?
What is the good programming practice for variable and method names in Java?
What is the good programming practice for variable and method names in Java?
What should you do to initialize a variable with an initial value in Java?
What should you do to initialize a variable with an initial value in Java?
What is the correct way to assign a value to a character variable in Java?
What is the correct way to assign a value to a character variable in Java?
Which command is used to output a message on the screen in Java?
Which command is used to output a message on the screen in Java?
Which data type should be used to hold real numbers in Java?
Which data type should be used to hold real numbers in Java?