Top 10 Java Interview Questions for Freshers

Java Interview Questions for Fresher



"Top 10 Java Interview Questions Cover Image"

 **Top 10 Java Interview Questions for Freshers**


Java शिकणाऱ्या आणि Java Developer बनायचं स्वप्न पाहणाऱ्यांसाठी ही पोस्ट खूप उपयोगी आहे. खाली दिलेले प्रश्न अनेक मुलाखतींमध्ये विचारले गेले आहेत.

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**1. What is Java?**  

Java is a high-level, object-oriented programming language developed by Sun Microsystems. It is platform-independent and secure.


**2. What are the features of Java?**  

- Platform independent  

- Object-Oriented  

- Secure and Robust  

- Multithreaded


**3. What is the difference between JDK, JRE, and JVM?**  

- JDK: Java Development Kit – used to develop applications  

- JRE: Java Runtime Environment – to run applications  

- JVM: Java Virtual Machine – interpreter of bytecode


**4. What is an object in Java?**  

An object is an instance of a class containing methods and variables.


**5. What is a constructor?**  

A constructor is a special method used to initialize objects.


**6. What is Inheritance?**  

Inheritance allows one class to inherit properties and methods of another class using the `extends` keyword.


**7. What is method overloading and overriding?**  

- Overloading: Same method name with different parameters (within the same class)  

- Overriding: Same method name with same parameters in subclass


**8. What is the difference between ‘==’ and ‘.equals()’?**  

- `==` compares references  

- `.equals()` compares content


**9. What is exception handling in Java?**  

It is a mechanism to handle runtime errors using try-catch blocks.


**10. What is the use of final keyword?**  

- final variable – constant  

- final method – can’t be overridden  

- final class – can’t be extended

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**📌 Tip:**  

या प्रश्नांचा सराव करून ठेवा आणि प्रत्येक उत्तराची स्वतः example code लिहून practice करा.


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**Thanks for reading!**  

If you found this helpful, share it with friends preparing for Java interviews!

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