Question

How to use equals() to determine whether the number object is equal to the argument in Java

Answer 1

package javaapplication1;

public class JavaApplication1 {
 
    public static void main(String[] args) {
        
        Integer x = 13;
        Integer y = 200;
        Integer a = 13;
        Short b = 13;

        System.out.println(x.equals(y));  
        System.out.println(x.equals(a)); 
        System.out.println(x.equals(b)); // incompatible types 
        System.out.println(a.equals(b)); // incompatible types 
    }
}
 
/*
run:

false
true
false
false
 
*/

 

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