Call a non-static method in a static method. Call a non-static method

Source: Internet
Author: User

Call a non-static method in a static method. Call a non-static method

Sometimes during an interview, the interviewer will ask the static method to call non-static methods. What is your answer?

Although it cannot be called directly, it can be called indirectly. You can pass an object reference to a static method and then call the non-static method of the object. A static method calls a non-static method by referencing the passed object.

1 public class StaticMethodClass {2 void NonStaticMethod () {3 System. out. println ("This is a non-sataic method. "); 4} 5 6 static void StaticMethod (StaticMethodClasst s) {7 System. out. println ("This is a static method. "); 8 s. nonStaticMethod (); 9} 10 11 public static void main (String [] args) {12 StaticMethodClass obj = new StaticMethodClass (); 13 StaticMethod (obj); 14} 15}

 

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