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This java program calculates simple and compound interest. First, user enter the amount, number of years and rate of interest, then calculates simple interest and compound interest. Java Program to Calculate Simple and Compound Interest.
The java this keyword is used to refer the current object. There are many uses of java this keyword. Uses of java this keyword. this keyword can be used to refer instances of current object. this keyword can be used to refer methods of current object. this keyword can be used to refer constructors of current object. this keyword can be passed as argument to method of current object. this keyword can be passed as argument to constructor of current object. this keyword can be used to return current object.
The super keyword is used to differentiate the members for superclass from the members of base class. Actually, the super keyword in java is a reference variable which refers immediate parent class of an object. Use of super keyword in java. For referring variables of immediate parent class. For referring methods of immediate parent class. For referring constructors of immediate parent class. Why super keyword? When a subclass inherits properties of super class, there is a possibility that some properties of subclass is similar to super class, this creates ambiguity for JVM. To differentiate the properties of base class from subclass, super keyword is used.
The java variables, methods and classes can be declared using final keyword. Final keyword is a modifier and can be used in different context. A variable that is declared with final keyword and not initialized is called blank final variable. Final keyword can be used with: Instance Variable, Static Variable, Local Variable, Method, Class. Example of Final Instance Variable. Example of Final Static Variable. Example of Final Local Variable. Example of Final Method. Example of Final Class.
The java instanceof operator is a object reference operator that returns a boolean value either true or false. If the reference is the instance of specified type, it returns true otherwise it returns false. Java instanceof operator is also known as type comparision operator because it compares the reference with specified type. Java instanceof operator can be used to check the runtime information of an object. This operator is very useful in the case of typecasting of an object. Example of Java instanceof Operator. Java instanceof operator - What happens when a reference has null value? Downcasting with java instanceof operator. Another Example of Java instanceof Operator.
This java program converts binary number into decimal number. First, you have to enter a binary number and then convert binary number to decimal number and finally print decimal equivalent of that binary number. Java Program to Convert Binary Number to Decimal Number. Java Program to Convert Binary to Decimal Using Integer.parseInt() Method.
This java program converts decimal number into binary number. First you have to enter a decimal number, then number will convert into its equivalent binary number and finally display on the screen. Java Program to Convert Decimal to Binary Using toBinaryString() Method.
In this article, we will see FizzBuzz Program in Java. FizzBuzz is a most frequently asked question in interview. But, it is very simple. In FizzBuzz program, we print a series of positive integers from 1 to n. If any number is completely divisible by 3 and 5, then print "FizzBuzz" and if any number is only completely divisible by 3, then print "Fizz" and if any number is only completely divisible by 5, then prints "Buzz", otherwise prints that positive integer.
Java Method Overloading with Examples. Can we overload java main() method? Method Overloading Valid/Invalid Cases
Java Copy Constructor. Example of Java Copy Constructor.
Constructor in Java. Rules for Creating Constructor. Java default constructor. Java parameterized constructor. Constructor Overloading in Java.
Java Program to Find Factorial of a Number. Java Program to Find Factorial of a Number Using Recursion.
Java Program to Calculate the Sum of Natural Numbers
What is Protocol in Networking? Key elements of protocols. Examples of protocols.
Java Program to Convert Fahrenheit to Celsius
Java Program to Print Floyd's Triangle
Java Program to Reverse an Array