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Muhammed Rahshad Koyippalli's image
Question added by Muhammed Rahshad Koyippalli Cisco DNAC Senior Escalation Engineer Cisco Systems - India
10 years ago

What is the issue compareTo() method in Java?public int compareTo(Object o){ Employee emp = (Employee) emp; return this.id - o.id;} id integer‎

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OID
Object Oriented Modeling
Core Java
J2SE
Java

What is the issue compareTo() method in Java?public int compareTo(Object o){ Employee emp = (Employee) emp; return this.id - o.id;} id integer‎

Naser Ali's image  
Answer added by  Naser Ali, Technical Specialist, Robert Bosch Engineering and Business Solutions India Pvt. Ltd
10 years ago

When you use subtraction, there is a possibility that you might overrun the limit of the integers and it might return a bad result. Because integer ranges from -32767 to ... See More

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