Java Variables and Naming Conventions Quiz

Which of the following is NOT a type of variable mentioned in the content?

• Primitive variable

• Reference variable

• Instance variable

• Global variable

According to the content, which statement is true about Java Naming Convention?

• It is a guideline for naming identifiers in Java.

• It is a rule for assigning values to variables.

• It is a method for declaring constants.

• It is a way to create assignment statements.

Which of the following is an example of a final variable in Java?

• A variable whose value cannot be changed after initialization.

• A variable that stores reference to an object.

• A variable declared inside a method.

• A variable that holds primitive data types.

If you want to store a value that should not change throughout the execution of a Java program, which concept from the content would you use?

• Constant

• Instance variable

• Assignment statement

• Reference variable

Which type of variable is typically declared inside a method and only accessible within that method?

• Local variable

• Instance variable

• Reference variable

• Final variable

How would you apply the concept of assignment statement in Java to initialize a variable?

• By using the equals sign (=) to assign a value to a variable.

• By declaring a variable as final.

• By following Java naming conventions.

• By creating a constant.

Which of the following is a requirement when writing identifiers in Java?

• Follow Java naming conventions.

• Use only uppercase letters.

• Start with a number.

• Include special characters.

What is the correct procedure to declare a variable in Java?

• Specify the data type followed by the variable name.

• Write the variable name followed by the data type.

• Use only the variable name.

• Declare variables without specifying a type.

After declaring a variable in Java, what is the next step to use it in a program?

• Assign a value to the variable.

• Delete the variable.

• Rename the variable.

• Ignore the variable.

Suppose you are writing a Java program and need to store a user's age. Which of the following steps should you follow to ensure proper variable usage? (Select the best sequence)

• Declare an appropriate variable, then assign a value to it.

• Assign a value before declaring the variable.

• Use the variable without declaring or assigning a value.

• Declare the variable and never assign a value.