rJava/src/java/NotComparableException.java at master · s-u/rJava · GitHub

24 lines (21 loc) · 725 Bytes

/**

* Exception generated when two objects cannot be compared

* Such cases happen when an object does not implement the Comparable

* interface or when the comparison produces a ClassCastException

public class NotComparableException extends Exception{

public NotComparableException(Object a, Object b){

super( "objects of class " + a.getClass().getName() +

" and " + b.getClass().getName() + " are not comparable" ) ;

}

public NotComparableException( Object o){

this( o.getClass().getName() ) ;

}

public NotComparableException( Class cl){

this( cl.getName() ) ;

}

public NotComparableException( String type ){

super( "class " + type + " does not implement java.util.Comparable" ) ;

}

Expand file tree