angular 2 http.get subscribe:服务完成后如何调用另一个函数？

import { Component } from '@angular/core';
import { HttpClient } from '@angular/common/http';

@Component({
  selector: 'app-example',
  template: `
    <button (click)="getData()">Get Data</button>
  `
})
export class ExampleComponent {
  constructor(private http: HttpClient) {}

  getData() {
    this.http.get('https://api.example.com/data').subscribe(
      (response) => {
        // 在这里处理获取到的数据
        this.processData(response);
      },
      (error) => {
        // 处理请求错误
        console.error(error);
      }
    );
  }

  processData(data: any) {
    // 在这里处理数据
    console.log(data);
  }
}