Group related clauses into methods.
- Identify related clauses.
- Move related clauses adjacent to each other.
- Create a method with a descriptive name for each group of clauses.
- Repeat these steps until there are no more related clauses.
public static void main( String[] args ) {
if ( hasFirstArgument( args ) &&
isValidArgument( args[ 0 ] ) ) {
System.out.println( "Not valid argument" );
}
}
private static boolean hasFirstArgument( String[] args ) {
return ( args.length > 0 ) && ( args[ 0 ] != null );
}
private static boolean isValidArgument( String s ) {
return s.equals( "input" ) ||
s.equals( "output" ) ||
s.equals( "verbose" );
}
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