Simple java program example with explanation

Used for multiple line comments. Doc comments are ignored by the compiler, but they can be extracted and automatically turned into HTML documentation by the javadoc tool. Example : author, version, exception, param, return are some of the doc comments each having its own meaning. A package is a namespace that organizes a set of related classes and interfaces. Some of the existing packages present in java are java.

Users can also create their own package and categorize classes and interfaces. Packages can be created using the keyword package followed by the package name. The import statement in the above class, would load all the classes and interfaces present inside the java. Prev Next Three things need to be done to make a java program work. They are,. Java inheritance extends Java polymorphism. Inner class Private inner class error when trying to access it from an outside class Static inner class Access outer class from inner class.

Java abstract classes and methods Java interface implements Multiple interfaces. Create an enum with a group of constants An enum inside a class An enum in a switch statement Loop through an enum. Read user input Read user input of various types.

Display current date Display current time Display current date and time Formatting date and time. Getting an iterator Looping throug a collection Removing items from a collection. Create an ArrayList that should store numbers integers Create wrapper objects Using wrapper methods Convert wrapper objects to strings. The try Area Of Parallelogram 6.

Area Of Rhombus 7. Area Of Equilateral Triangl e 8. Perimeter Of Circle 9. Perimeter Of Equilateral Triangle Perimeter Of Parallelogram Perimeter Of Rectangle Perimeter Of Square Perimeter Of Rhombus Volume Of Cone Java Program Volume Of Prism Volume Of Cylinder Volume Of Sphere Curved Surface Area Of Cube Total Surface Area Of Cylinder Fibonacci Series In Java Programs.

Factorial Program In Java 2. Calculate Electricity Bill 3. Calculate Average Of N Numbers 4. Calculate Discount Of Product 5. Calculate Distance Between Two Points 6. Calculate Commission Percentage 7. Power In Java 8. Deprecation Program 9.

Calculate Batting Average Compound Interest Java Program Calculate Average Marks Addition Of Two Numbers Sum Of N Numbers Armstrong Number In Java Reverse A String In Java Matrix Multiplication In Java Future Investment Value Java Program Vowel Or Consonant Perfect Number In Java Addition Of Two Matrices Subtract Two Matrices Transpose Of Matrix Check Leap Year Or Not Prime Number Java Program Reverse A String In Java 2.

Reverse An Array Program 5. Insert An Element in Array 6. Linear Search In Java some text some text.

Sort Programs. Conversion Programs:. Convert Octal To HexaDecimal 2. Convert Decimal To Hexadecimal 3. Convert Decimal To Octal 4.

Convert Decimal To Binary 5. Convert Fahrenheit To Celsius. Invert Pyramid Star Pattern 6. Java Training Java Tutorial. Abstract class Interface Abstract vs Interface.

Package Access Modifiers Encapsulation. Reinforcement Learning. R Programming. React Native. Python Design Patterns.

Python Pillow. Python Turtle. Verbal Ability.