title: Push object into another component array in angular 2
body: <pre><code>    Like
  
      // My First Component
      @Component({
        selector: 'app-component1',
        templateUrl: './component1.html'
      })
      export class Component1 {
         books: any[] = ['Java'];
      }
  
      // My Second Component
      @Component({
        selector: 'app-component2',
        templateUrl: './component2.html'
      })
      export class Component2 {
       // Now I want to push 'Angular2' in books array from here. So, How can i do this and remember there is no any relationship of parent child component.
      }
  </code></pre>
  
  <p>I want to push object from Component2 to Component1.</p>
  
  <p>I have already try with Observable.</p>
  
  <p>Can you please help me in above scenario?</p>