Java coding Standards

Java coding Standards

• Usually the variable starts with noun 
•  every inner word should start with upper case i.e camel case convention.

Ex:   Name, rollno, bandwidth, totalNumber.

• constants should contain only upper case letters and words are separated with underscores.

Ex:   MAX_SIZE, MIN_PRIORITY, COLLEGE_NAME.

• method should  start with lower case and every inner words starts with upper case(this convention is also called camel case convention).

Ex:   getName(), getMessage(), toString(), show(), display().

• class name Should starts with upper case letter and if it contain multiple words every inner words also should start with capital letters.

Ex:  String     StringBuffer    NumberFormat      CustomerInformation

• interface name starts with capital letters and if it contains multiple words, every inner word also should starts with capital letter.

Ex:    Runnable   Serializable     Clonable        

Java Been Coding Conventions

• A java bean is a normal java class with private properties & public getter and setter methods.

Ex:

public class StudentBeen

{

              private String name;

              public String getName()

              {

                         return name;

              }

              public void setName(String name)

             {

                         this.name = name;

              }

}

Syntax for getterMethod

• Compulsory it should be public & should not contain any arguments.For the non boolean property xxx the following is syntax of getter method

public datatype getXxx()

{

return xxx;

}

For the boolean property xxx the following is the syntax

public boolean getXxx() or isXxx()

{

return xxx;

}

Syntax of setter Method

It should be public and return type should be void. For any propertyxxx

public void setXxx(datatype xxx)

{

This.xxx = xxx;

}