Questions and Exercises: Expressions, Statements, and Blocks

Questions

1. Operators may be used in building ___, which compute values.
2. Expressions are the core components of ___.
3. Statements may be grouped into ___.
4. The following code snippet is an example of a ___ expression.

    1 * 2 * 3
   

5. Statements are roughly equivalent to sentences in natural languages, but instead of ending with a period, a statement ends with a ___.
6. A block is a group of zero or more statements between balanced ___ and can be used anywhere a single statement is allowed.

Exercises

Identify the following kinds of expression statements:

• aValue = 8933.234;
• aValue++;
• System.out.println("Hello World!");
• Bicycle myBike = new Bicycle();

Check your answers