Podcast
Questions and Answers
What is a variable?
What is a variable?
- A program for storing values
- A named storage location in computer memory (correct)
- A data type in Java
- A type of primitive data in Java
Which Java data type allows for very small integers?
Which Java data type allows for very small integers?
- double
- int
- float
- byte (correct)
What is the range of values for the 'long' data type in Java?
What is the range of values for the 'long' data type in Java?
- -32768 to 32767
- -2147483648 to 2147483647
- +/- 4.9 * 10^-324 to 1
- -9223372036854775808 to 9223372036854775807 (correct)
Which data type in Java is used for real numbers?
Which data type in Java is used for real numbers?
What are the eight primitive or scalar types of Java collectively referred to as?
What are the eight primitive or scalar types of Java collectively referred to as?
What is the purpose of declaring variables in a program?
What is the purpose of declaring variables in a program?
Which Java type allows for very small integers of size 1 byte?
Which Java type allows for very small integers of size 1 byte?
What is the correct way to declare a variable to hold the player's score in a computer game?
What is the correct way to declare a variable to hold the player's score in a computer game?
Which data type in Java should be used to hold real numbers?
Which data type in Java should be used to hold real numbers?
What is the correct way to assign a value of 0 to the variable named 'score'?
What is the correct way to assign a value of 0 to the variable named 'score'?
Which Java type allows for true or false values with a size of 1 bit?
Which Java type allows for true or false values with a size of 1 bit?
What is the correct way to put the initial difficulty level to 'A' in a Java program?
What is the correct way to put the initial difficulty level to 'A' in a Java program?
What happens if you try to declare a variable using 'int score = 2.5 ;' in Java?
What happens if you try to declare a variable using 'int score = 2.5 ;' in Java?
What is the correct way to declare several variables of the same type on a single line in Java?
What is the correct way to declare several variables of the same type on a single line in Java?
What should you use to output a message on the screen in Java?
What should you use to output a message on the screen in Java?
What is the purpose of using the concatenation operator in Java?
What is the purpose of using the concatenation operator in Java?
What is the significance of using constants in a Java program?
What is the significance of using constants in a Java program?
How are constants declared in Java?
How are constants declared in Java?
What is the convention for naming constants in Java?
What is the convention for naming constants in Java?
What is the purpose of using variables in a Java program?
What is the purpose of using variables in a Java program?
Which operator in Java is used for combining multiple strings into one?
Which operator in Java is used for combining multiple strings into one?
What is the data type used for real numbers in Java?
What is the data type used for real numbers in Java?
In Java, what are symbolic constants used for?
In Java, what are symbolic constants used for?
What happens if an attempt is made to modify a constant in a Java program?
What happens if an attempt is made to modify a constant in a Java program?
Which keyword is used to declare constants in Java?
Which keyword is used to declare constants in Java?
