Java Programming/Keywords/if

if is a Java keyword. It starts a branching statement.

The general syntax of a if , using Extended Backus-Naur Form, is

branching-statement ::= if  condition-clause 
 single-statement | block-statement
 [ else  
 single-statement | block-statement ]
 
condition-clause  ::= ( Boolean Expression )
single-statement  ::= Statement
block-statement  ::= { Statement [ Statements ] }

For example:

if(booleanExpression)
{
System.out.println("'True' statement block");
}
else
{
System.out.println("'False' statement block");
}

See also:

• Java Programming/Keywords/else

• Book:Java Programming/Keywords

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