Basic Java Interview Questions Q1. Is Java platform independent? Answer Yes. Java is a platform independent language. We can write java code on one platform and run it on another platform. For e.g. we can write and compile the code on windows and can run the generated bytecode on Linux or any other supported platform. This […]
Topic 1 JAVA Topic 1 Topic 2 JAVA Topic 2 Topic 3 JAVA Topic 3 Java Basic Questions Check Out Wipro Previous Year Questions Visit C Interview Guide Most of the IT companies like to check the basic knowledge of the candidate on C Programming. Data Structure Guide To crack interview focus on Graph, Tree,
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Topic 1 JAVA Topic 1 Topic 2 JAVA Topic 2 Topic 3 JAVA Topic 3 Exception Handling An exception is a problem that arises during the run time of a program. import java.util.*; import java.lang.*; import java.io.*; class CodeWindow { public static void main (String[] args) { int a=10,b; b=a/0; System.out.println(b); } } Output: Run
Topic 1 JAVA Topic 1 Topic 2 JAVA Topic 2 Topic 3 JAVA Topic 3 The topics that are covered in this article:1. Inheritance2. Types of Inheritance in Java3. Example of Single Inheritance4. Example of Multilevel Inheritance5. Example of Hierarchical Inheritance6. Order of Constructor Calling7. Method Overriding8. Super in Inheritance9. Super without Inheritance10. Multiple Inheritance
Topic 1 JAVA Topic 1 Topic 2 JAVA Topic 2 Topic 3 JAVA Topic 3 How to Print a Welcome message in JAVA? What is the difference between print, printf and println? package CodeWindow; public class Introduction { public static void main(String[] args) { System.out.println("Welcome to CodeWindow"); /* * System.out.println() * It will print the
If subclass (child class) has the same method as declared in the parent class, it is known as method overriding in Java. Usage of Java Method Overriding Method overriding is used to provide the specific implementation of a method which is already provided by its superclass. Method overriding is used for runtime polymorphism Rules of
In this type of inheritance one class inherits from more than one parent class. Multiple inheritance are not allowed here, in that case, it causes ambiguity error. If we create an object in C, the methods and properties of A and B will inherit in C class. So when we call it will get confused,
Java BufferedReader class is used to read the text from a character-based input stream. It can be used to read data line by line by readLine() method. It makes the performance fast. It inherits Reader class. Java BufferedReader class declaration Let’s see the declaration for Java.io.BufferedReader class: public class BufferedReader extends Reader Output Latest Posts
Q1. What is Encapsulation?Answer Encapsulation provides objects with the ability to hide their internal characteristics and behavior. Each object provides a numberof methods, which can be accessed by other objects and change its internal data. In Java, there are three access modifiers: public, private and protected. Each modifier imposes different access rights to other classes, either
