Question

How to implement infinity in Java

Answer 1

package javaapplication1;

public class JavaApplication1 {
 
    public static void main(String[] args) {
        
        System.out.println(Double.POSITIVE_INFINITY);
        System.out.println(Double.NEGATIVE_INFINITY);
    }
}
 
/*
run:

Infinity
-Infinity
 
*/

 

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Answer 2

package javaapplication1;

public class JavaApplication1 {
 
    public static void main(String[] args) {
        
        double inf_pos = Double.POSITIVE_INFINITY;
        
        System.out.println(inf_pos - inf_pos);
        System.out.println(inf_pos + 1000);
        System.out.println(inf_pos - 1000);
        System.out.println(inf_pos * -1); 
    }
}
 
/*
run:

NaN
Infinity
Infinity
-Infinity
 
*/

 

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