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What is String in Salesforce?

What is String in Salesforce?

String in Apex, as in any other programming language, is any set of characters with no character limit. Example String companyName = ‘Abc International’; System.

How do I trim a String in Salesforce?

You can use the instance method “trim” on the String class. According to the docs: “Returns a copy of the string that no longer contains any leading or trailing white space characters. Leading and trailing ASCII control characters such as tabs and newline characters are also removed.

How do I check if a String is empty in Salesforce?

isBlank(inputString) : Returns true if the specified String is white space, empty (”), or null; otherwise, returns false. isEmpty(inputString) : Returns true if the specified String is empty (”) or null; otherwise, returns false. So the isEmpty() function is a subset of isBlank() function.

How do you find the length of a String in Salesforce?

String myStr = ‘abcdef’; Integer result = myStr. length();

What is System assertEquals in Salesforce?

assertEquals() is used to validate two values are equal. Basically it is used in test method. This method asserts that the first two arguments, x and y are the same, if they are not a runtime exception is thrown.

What is database query in Salesforce?

query in Salesforce allows you to make a dynamic SOQL query at runtime. You can build up a string and then use that as a query string at run time in the database. query statement to make a SOQL call that is determined at run time. In Batch Apex, if you use Database.

What does TRIM () do in Apex?

Removes the specified substring from the beginning and end of a string. To remove leading and trailing spaces, do not specify a substring….Arguments.

Argument Description
substring Optional. The value removed from the string.

How do I remove spaces from a string in Salesforce?

deleteWhitespace() is used to remove spaces in a string in Salesforce.

Is Blank vs isEmpty?

isBlank() vs isEmpty() The difference between both methods is that isEmpty() method returns true if, and only if, string length is 0. isBlank() method only checks for non-whitespace characters. It does not check the string length.

What is the difference between IsNotBlank and isNotEmpty?

isNotBlank(inputString) Returns true if the specified String is not whitespace, not empty (”), and not null; otherwise, returns false. isNotEmpty(inputString) Returns true if the specified String is not empty (”) and not null; otherwise, returns false.

How do I find the size of a field in Salesforce?

Usually through the Partner API I can use describeSObject() to determine the maximum allowed length of a field. To do this in Apex use the following – changing CustObj__c and CustField__c as required: integer fieldLength = Schema.

What is String valueOf in Salesforce?

valueOf(datetimeToConvert) Returns a String that represents the specified Datetime in the standard “yyyy-MM-dd HH:mm:ss” format for the local time zone.