// Basic @wire
@wire(getAccount, { accountId: '$recordId' })
wiredAccount;

// With wired function
@wire(getAccount, { accountId: '$recordId' })
wiredAccount({ data, error }) {
    if (data) {
        this.account = data;
    } else if (error) {
        this.error = error;
    }
}

// Reactive parameters
@wire(getRelatedContacts, { accountId: '$selectedAccountId' })
contacts;

// Basic imperative call
import getAccount from '@salesforce/apex/AccountController.getAccount';

handleClick() {
    getAccount({ accountId: this.recordId })
        .then(data => {
            this.account = data;
        })
        .catch(error => {
            this.error = error;
        });
}

// With async/await
async handleClick() {
    try {
        const data = await getAccount({ accountId: this.recordId });
        this.account = data;
    } catch (error) {
        this.error = error;
    }
}

// With loading state
async handleClick() {
    this.isLoading = true;
    try {
        const data = await getAccount({ accountId: this.recordId });
        this.account = data;
    } catch (error) {
        this.error = error;
    } finally {
        this.isLoading = false;
    }
}

// Cacheable - Can be used with @wire
@AuraEnabled(cacheable=true)
public static Account getAccount(Id accountId) {
    return [SELECT Id, Name, Industry, Phone FROM Account WHERE Id = :accountId];
}

// Non-cacheable - Must use imperative
@AuraEnabled(cacheable=false)
public static Account createAccount(Account newAccount) {
    insert newAccount;
    return newAccount;
}

// With parameter handling
@AuraEnabled(cacheable=true)
public static List getContactsByAccount(Id accountId, Integer limitCount) {
    return [SELECT Id, Name, Email FROM Contact WHERE AccountId = :accountId LIMIT :limitCount];
}