Add component object to gameobject unity

//to add a new ridgidbody
gameobject.AddComponent<Rigidbody>();
//to add a new meshCollider
gameobject.AddComponent<MeshCollider>();
//Original answer by MakerBenjammin6, cleanup by me.//This uses C# and unity
//to add a ridgidbody
gameobject.addComponet<ridgidbody>();
//to add a meshCollider
gameobject.addComponet<MeshCollider>();
//check out my profile