• Rajesh Sahoo 6
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The following won't validate, but won't pass the validation in this trail.  Quantity field is howver using the correct field.  Thoughts?

User-added image

<aura:component>

<aura:attribute name="item" type="Camping_Item__c" required="true"/>    
    <ui:outputText value="{!v.item.Name}"/>
    <ui:outputCheckbox value="{!v.item.Packed__c}"/>
    <ui:outputCurrency value="{!v.item.Price__c}"/>
      <ui:outputNumber value="{!v.item.Quantity}"/>
            
</aura:component>
<!--campingListItem.cmp-->
<aura:component >
	<aura:attribute name="item" type="Camping_Item__c" required="true"/>

	<ui:outputText value="{!v.item.Name}" />
	<ui:outputCheckbox value="{!v.item.Packed__c}" />
	<ui:outputCurrency value="{!v.item.Price__c}" />
	<ui:outputNumber value="{!v.item.Quantity__c}" />
	<ui:button label="Packed!" press="{!c.packItem}"/>
	
</aura:component>
<!--campingListController.js-->
({
	packItem : function(component, event, helper) {
		var button = event.getSource().get("v.disabled");
		component.set("v.item.Packed__c", "true");
		component.set(button, "true");
	}
})
What am I doing wrong?

 
An org has enabled multi currencies, a developer needs to aggregate the sum of the "estimateValue" field on cmpMember obj. using roll-up summary field "totalValue" on compaign obj.
how is the currency of totalValue roll-up summary field determine

1 values in cmpMember converted into the currency of compaign and sum is displayed using the currency on compaign record
2 values in cmpMember are summed up and the resulting compaign field is displayed as numeric field on compaign record
3 values in cmpMember are converted into the currency of current user, and the sum is displayed using the currency on compaign record
Create an Apex class that returns an array (or list) of strings: 
Create an Apex class that returns an array (or list) of formatted strings ('Test 0', 'Test 1', ...). The length of the array is determined by an integer parameter.The Apex class must be called 'StringArrayTest' and be in the public scope.
The Apex class must have a public static method called 'generateStringArray'.
The 'generateStringArray' method must return an array (or list) of strings. Each string must have a value in the format 'Test n' where n is the index of the current string in the array. The number of returned strings is specified by the integer parameter to the 'generateStringArray' method.

MyApexClass to above Challenge:

public class StringArrayTest {
    
    public static List<string> generateStringArray(Integer n)
    {
        List<String> myArray = new List<String>();
        
        for(Integer i=0;i<n;i++)
        {
            myArray.add('Test'+i);
            System.debug(myArray[i]);
        }
        return myArray;
        
    }


It's compile and execute as per requirement in Developer console. But Traihead showing the below error:

Challenge not yet complete... here's what's wrong: 
Executing the 'generateStringArray' method failed. Either the method does not exist, is not static, or does not return the proper number of strings.

Anyhelp would be greatly appreciated. Thanks.