Call private method — Java Technical Interview Questions & Answers

Call private method

Call private method

  • package groups related classes. Access: private < default < protected < public.
  • private = class only; public = everywhere.
  • protected = package + subclasses.
  • Write one tiny example for Call private method. Compile, print one result, and say the output out loud before you type.
  • Use Call private method only when the problem needs it. Don’t force it into every program. Know one beginner trap.
  • Let's take this on the board with one tiny Main class — no extra files. Call private method — secret is private; outside code uses a getter. Start from main, go line by line, and stop at each print. That output is the proof for Call private method.

Technical Interview Tip: Draw the 4 access levels and who can see each.

Code Examples for Call private method

Example

// Same-file demo of access idea
class Box {
  private int secret = 7;
  int getSecret() { return secret; } // package/public API
}
public class Main {
  public static void main(String[] args) {
    System.out.println(new Box().getSecret());
  }
}

Call private method — secret is private; outside code uses a getter.

How to Explain Call private method to an Interviewer

What is Call private method?

Call private method is a Java idea you should explain with one small example. Know the keyword / API used for Call private method. Type a tiny Main and print one result. For Call private method, say the output before you code.

Why do we use Call private method in Java?

Makes the program clearer or safer Call private method is a Java idea you should explain with one small example.

Write one small example of Call private method.

Show syntax Say what prints

What mistake do beginners make with Call private method?

Only the name, no example Call private method — only memorising the heading. No example, no trap.

Where is Call private method used in a real program?

Day-to-day Java code