Interacting with an Object

Once you create an instance of a reference type using the new keyword, you can interact with the new object through the variable that serves as a reference to that object.  You can call the object’s methods or read and write its properties.
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// Make a new Person object
Person p1 = new Person("Sean", 46);
 
// Read some properties
string theName = p1.Name;   // Sean
int howOld = p1.Age;        // 46
 
// Set Age property to new value
p1.Age = p1.Age - 10;
int younger = p1.Age;       // Now 36
 
// Call method that takes no parameters, returns description
//   Will return:  Sean is 36 yrs old.
string describe = p1.Description();
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