Properties class Methods in Java Part -II

 java.util.Properties

The Properties class represents a persistent set of properties. The Properties can be saved to a stream or loaded from a stream. Each key and its corresponding value in the property list is a string.

Some more Methods of Properties class.

getProperty(String, String): This method searches for the property with the specified key in this property list.

hashCode(): This method returns the hash code value for this Map.

isEmpty(): This method tests if this hashtable maps no keys to values.

keys(): This method returns an enumeration of the keys in this hashtable.

keySet(): This method returns a Set view of the keys contained in this map

list(PrintStream): This method prints this property list out to the specified output stream.

list(PrintWriter): This method writes this property list out to the specified output stream.

load(InputStream): This method reads a property list (key and element pairs) from the input byte stream.

load(Reader): This method reads a property list (key and element pairs) from the input character stream in a simple line-oriented format.

loadFromXML(InputStream):  This method loads all of the properties represented by the XML document on the specified input stream into this properties table.

merge(Object, Object, BiFunction): If the specified key is not already associated with a value or is associated with null, associate it with the given non-null value.

propertyNames(): This method returns an enumeration of all the keys in this property list, including distinct keys in the default property list if a key of the same name has not already been found from the main properties list.

put(Object, Object): This method maps the specified key to the specified value in this hashtable.

putAll(Map): This method copies all of the mappings from the specified map to this property.

putIfAbsent(Object, Object): If the specified key is not already associated with a value associates it with the given value and returns null, else returns the current value.

Some more Methods of Properties class Part-I

Some more Methods of Properties class Part -III