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constant java naming convention

Adrian Christensen answered on May 6, 2023 Popularity 3/10 Helpfulness 1/10

answer constant java naming convention

constant java naming convention

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Constants should be written with capital letters in Java, where the words are separated by an underscore ('_') character. In the Java coding conventions, a constant is a static final field in a class.

public class TestConstants {
	public static final String FIRM_NAME = "Mack Motors"; 
}

public class MotorVehicle {
  /** Number of motors */
  private static final int MOTORS = 1;

  /** Name of a motor */
  private static final String MOTOR_NAME = "Mercedes V8";

  /** The motor object */
  private static final Motor THE_MOTOR = new MercedesMotor();

  /**
   * Constructor
   */
  public MotorVehicle() {
    MOTORS = 2;                     // Gives a syntax error as MOTORS has already been assigned a value.
    THE_MOTOR = new ToshibaMotor(); // Gives a syntax error as THE_MOTOR has already been assigned a value.
    MOTOR_NAME.toLowercase();       // Does not give a syntax error, because it returns a new String rather than editing the MOTOR_NAME variable.
    THE_MOTOR.fillFuel(20.5);       // Does not give a syntax error, as it changes a variable in the motor object, not the variable itself.
  }
}

Popularity 3/10 Helpfulness 1/10 Language java

Source: en.wikibooks.org

Tags: convention java naming

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Contributed on May 06 2023

Adrian Christensen

0 Answers Avg Quality 2/10

constant java naming convention

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