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Note for Java Programming - JAVA by shivom rajput

  • Java Programming - JAVA
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Classes and Objects in Java Basics of Classes in Java 1

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Class  A class is a collection of fields (data) and methods (procedure or function) that operate on that data. Circle centre radius circumference() area() 2

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Classes   A class is a collection of fields (data) and methods (procedure or function) that operate on that data. The basic syntax for a class definition: class ClassName { //fields declaration //methods declaration } 3

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Adding Fields: Class Circle with fields  Add fields class Circle { public double x, y; // centre coordinate public double r; // radius of the circle }  The fields (data) are also called the instance variables. 4

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