Expression Statements
Certain kinds of expression are counted as statements. You write any expression, put a semicolon after it, and voila, it's an expression statement. In particular, an assignment, method invocation, the creation of a object by calling a constructor (looks like a method call, and the keyword “new” is used so we can tell them apart), and pre-increment, post-increment, and decrement are all expressions that can be statements.
a = b; // assignmentw.setSize(200,100); // method invocationnew WarningWindow(f); // instance creation++i; // pre-increment
An expression statement is executed by evaluating the expression.
If the expression is an instance creation, you usually save a reference to ...
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