Infinity or exception in Java when divide by 0?

Consider the following code snippet where we divide a number by 0.

Example

 Live Demo

public class Tester{
   public static void main(String[] args) {
      double d = 100;
      System.out.println(d/0);
   }
}

Output

Infinity

Now consider the following code snippet.

Example

 Live Demo

public class Tester{
   public static void main(String[] args) {
      int d = 100;
      System.out.println(d/0);
   }
}

Output

Exception in thread "main" java.lang.ArithmeticException: / by zero
at Tester.main(Tester.java:5)

As you've noted, the Infinity vs ArithmeticException, a different result for similar divide by zero program. The difference lies in floating point arithmetic used in first program and integer arithmetic used in second program.

Arjun Thakur

Published on 19-Sep-2018 07:48:11

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