Java Utililty Methods Collection Check

List of utility methods to do Collection Check

  1. HOME
  2. Java
  3. C
  4. Collection Check

Description

The list of methods to do Collection Check are organized into topic(s).

Method

booleanisCollectionType(Object obj)
This method checks whether the JSON being parse is a container class. 
if (obj instanceof List<?>) {
    return true;
} else if (obj instanceof Collection<?>) {
    return true;
return false;
booleanisCollectionType(Object propertyValue)
is Collection Type 
return propertyValue.getClass().isAssignableFrom(Collection.class)
        || Collection.class.isInstance(propertyValue);
booleanisCollectionType(Object value)
is Collection Type 
return value instanceof Collection;
booleanisCollectionTypeHomogenous(final Collection collection, final Class expectedType)
is Collection Type Homogenous 
for (final Object object : collection) {
    if (object == null) {
        continue;
    } else if (!expectedType.isAssignableFrom(object.getClass())) {
        return false;
return true;
...
booleanisCompatibleTypes(Collection a, Collection b)
is Compatible Types 
return isOrdered(a) == isOrdered(b);