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();

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