Java implementation of the compareTo and equals methods

GD.java

class GD
{
    public static void main(String args[])
    {
        Integer a=1;
        System.out.println(a.compareTo(0));
        System.out.println(a.compareTo(1));
        System.out.println(a.compareTo(2));
        System.out.println(a.equals(1));
        System.out.println(a.equals(0));
        System.out.println(a.equals(2));
    }
}

Output

godarda@gd:~$ javac GD.java
godarda@gd:~$ java GD
1
0
-1
true
false
false
godarda@gd:~$

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