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Java's branching control uses the if-else structure (http://docs.oracle.com/javase/tutorial/java/nutsandbolts/if.html) for selecting which blocks of code should run.
Selection control structures are structures in which blocks of code are either executed, or not, depending on a particular condition or conditions. There are three categories of selection control structures: Single selection control structures. if statements. Double selection control structures. if – else statements.
Flow of control through any given function is implemented with three basic types of control structures: Sequential: Default mode. Statements are executed line by line. Selection: Used for decisions, branching { choosing between 2 or more alternative paths. if - else. switch. conditional statements.
4.4 Control Structures • Java has a sequence structure “built-in” • Java provides three selection structures – if – If…else – switch • Java provides three repetition structures – while – do…while – do • Each of these words is a Java keyword
Making Selections. The “if” keyword is always followed by parentheses. The expression in the parentheses must evaluate to a boolean. The statement can be a single statement or a block. Safer as a block. if (booleanExpression) statement; if (booleanExpression) { statement(s); } If...else Statements. The “else” part is optional.
11 Ιουν 2024 · In this tutorial, we’ll explore control structures in Java. There are three kinds of control structures: Conditional Branches, which we use for choosing between two or more paths. There are three types in Java: if/else/else if, ternary operator and switch.
• Three categories of execution order or control structures: – sequential (all client programs up to now) – selection (the if statement, this chapter) – loop (the while statement, see chapter 6) • Activity diagrams illustrate control structures.
