How to Declare Constant in Java


In this example, we will learn the method to declare a constant in Java.

Source Code

package com.beginner.examples;

public class ConstantExample {

    public static void main(String[] args){
    	final double PI = 3.14;
    	
    	//PI = 3.1415926;//The final local variable PI cannot be assigned.
		System.out.println("PI is : "+PI);
    }
}

Output:

PI is : 3.14
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