wire property in lwc code example

Example 1: wire service adaper in lwc

import { LightningElement, api, wire } from 'lwc';
import { getRecord } from 'lightning/uiRecordApi';

export default class Record extends LightningElement {
    @api recordId;

    @wire(getRecord, { recordId: '$recordId', fields: ['Opportunity.Name'] })
    record;
}

Example 2: wire service adaper in lwc

import { LightningElement, api, track, wire } from 'lwc';
import { getRecord } from 'lightning/uiRecordApi';

export default class WireFunction extends LightningElement {
    @api recordId;
    @track record;
    @track error;

    @wire(getRecord, { recordId: '$recordId', fields: ['Opportunity.Name'] })
    wiredAccount({ error, data }) {
        if (data) {
            this.record = data;
        } else if (error) {
            this.error = error;
        }
    }
}