Statements and Expressions
Computer programs are a set of instructions that tell the computer what to do. Each of these instructions is called a statement. The following example from a Java program is a statement:
int HighScore = 400000;
You can use brackets to group a set of statements together in a Java program. These groupings are called block statements. Consider the following portion of a program:
1: public static void main(String[] arguments) { 2: int a = 3; 3: int b = 4; 4: int c = 8 * 5; 5: }
Lines 2–4 of this example are a block statement. The opening bracket on Line 1 denotes the beginning of the block, and the closing bracket on Line 5 denotes the end of the block.
Some statements are called expressions because they involve a mathematical ...
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