Java Programming/Keywords/else

else is a Java keyword. It is an optional part of a branching statement. It starts the 'false' statement block.

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 [ Statement ] }

For example:

Computer code

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