Contains methods for the Boolean primitive data type.
Namespace
Boolean Methods
The following are methods for Boolean. All methods are static.
valueOf(stringToBoolean)
Converts the specified string to a Boolean value and returns true if the specified string value
is true. Otherwise, returns false.
Signature
public static Boolean valueOf(String stringToBoolean)
Parameters
- stringToBoolean: Type: String
Return Value
Type: Boolean
Usage
If the specified argument is null, this method throws an exception.
Example
Boolean b = Boolean.valueOf('true'); Assert.isTrue(b);
valueOf(fieldValue)
Converts the specified object to a Boolean value. Use this method to convert a history
tracking field value or an object that represents a Boolean value.
Signature
public static Boolean valueOf(Object fieldValue)
Parameters
- fieldValue: Type: Object
Return Value
Type: Boolean
Usage
Use this method with the OldValue or NewValue fields of history sObjects, such as AccountHistory, when the field type corresponds to a Boolean type, like a checkbox field.
Example
List<AccountHistory> ahlist =
[SELECT Field,OldValue,NewValue FROM AccountHistory WITH USER_MODE];
for(AccountHistory ah : ahlist) {
System.debug('Field: ' + ah.Field);
if (ah.field == 'IsPlatinum__c') {
Boolean oldValue = Boolean.valueOf(ah.OldValue);
Boolean newValue = Boolean.valueOf(ah.NewValue);
}
}