Salesforce Test Class - System NullPointerException Attempt to de-reference a null object

Question

Salesforce Test Class - Facing - System.NullPointerException: Attempt to de-reference a null object Error while trying to Run Test Class

APEX class

public class NewAccountCreation {
public Account account{get;set;}
public void save(){
Account acc = new Account();
// User enter values in vf page and we are capturing and creating account
acc.name = account.Name;
//acc.address = account.adress;
Insert acc;
}
}

Test Class

@isTest
public class TestNewAccountCreation {
    @isTest static void TestNewAccountCreationMethod(){
        NewAccountCreation testAccount = new NewAccountCreation ();
        Account acc = new Account(Name='TestAcct');
        Insert acc;
        system.debug(''+acc);
        testAccount.save();
        System.assert([Select Id From Account].size()==1);
    }
}

Error: System.NullPointerException: Attempt to de-reference a null object

StackTrace: Class.NewAccountCreation.save: line 6, column 1 Class.TestNewAccountCreation.TestNewAccountCreationMethod: line 9, column 1

---

Answer 1

Because testAccount.account is never set, it is null. This variable must be filled, but you do not need to create and enter an Account in your test code. In fact, doing so will result in the failure of your statement.

I hope this helps!

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