Java Classes And Objects Java is an object-oriented programming language. In Java, classes and objects are the foundation model and fundamental building blocks of Object-Oriented Programming (OOP). A class is a blueprint for creating objects, that share common properties and behavior and provide initial values for member variables and implementations of behaviors (methods). An object […]
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Java Introduction Java is a high-level,computer-based programming language that functions to develop computer-based applications.Java was developed by Sun Microsystems in 1995.Java is an object oriented, case sensitive, class based programming language that is portable and platform-independent, meaning that Java code can run on any device with a Java Virtual Machine (JVM) installed. Java is also
Java Constructor Constructor in Java is a special block of code used to create the instance of class which is invoked automatically when an object of the class is created. It has the same name as the class name and has no return type. Syntax : The first line of a constructor is a call
An Exception is an unwanted or unexpected event that occurs during the execution of a program and disrupts the normal flow of the program that lead to abnormal termination. It occurs when unexpected events take place, like accessing an invalid index, dividing by zero, or trying to open a file that does not exist. To handle such
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In Java, Inner Class also called as Nested Class is the class declared inside class or interface used to logically group classes and interfaces in one place to be more readable and maintainable. Syntax of Inner class Advantage of Java Inner Class Difference between nested class and inner class in Java An inner class is
Method Overloading and Method Overriding in Java Method Overloading : Program : Method Overloading in Java Method Overriding : Program : Method Overriding in Java
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Call by Value and Call by Reference in Java Call by Value : In Java, call by value refers to calling a method by passing the value in the parameter in which no changes are reflected in the main method because call by value passes a copy of the variable to the method. When we
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Control Statements Control statements in Java are set of instructions which manage the flow of execution of a program based on certain conditions which are used to make decisions, iterate(looping) through blocks of code multiple times, and to jump to a different part of the code based on certain conditions. The three types of control
Jump Statements Jump statements are control statements that transfer execution control from one point to another point in the program,allowing for changes in the flow of execution. There are three Jump statements that are provided in the Java programming language: 1) Break Statement2) Continue Statement3) Return Statement 1) Break Statement :A break statement in Java
Decision Making Statements Decision-making statements are one of the control flow statements which decide which statement to execute and when. It evaluate the boolean condition and control the execution of the block still the boolean condition provided is true.There are two types of decision-making statements in Java 1) if statement2) switch statement 1) if Statement:
