cómo declarar constante en el ejemplo de código java

Ejemplo 1: constantes en Java

//A constant is a variable whose value won't change after it's been defined.

private static final int OUR_CONSTANT = 1;

//We make our constants static and final and give them an appropriate type, 
//whether that's a Java primitive, a class, or an enum. 
//The name should be all capital letters with the words separated by underscores, 
//sometimes known as screaming snake case.

Ejemplo 2: declaración de java constante

final double Pi = 3.1415926536;

Ejemplo 3: crear una clase constante en java

public final class MyValues {
  public static final String VALUE1 = "foo";
  public static final String VALUE2 = "bar";
}

Ejemplo 4: que son las constantes y como crear constantes en java

Constants are fixed values whose values cannot be changed during 
the execution of program. We create constants in java using final keyword.

Ex : final int number = 10;
final String str = ”I love Java”;

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