public boolean METHOD_1 ( TYPE_1 VAR_1 ) { if ( VAR_1 == null ) return false ; return TYPE_2 . METHOD_2 ( VAR_1 , VAR_2 ) ; } 

public boolean METHOD_1 ( TYPE_1 VAR_1 ) { if ( ( VAR_1 == null ) || ( VAR_1 . isEmpty ( ) ) ) return false ; return TYPE_2 . METHOD_2 ( VAR_1 , VAR_2 ) ; } 
