Question

Write a Program that generates the following output:

10
20
19
Note: Do not use any if else statements. Only one variable is allowed, no other variable or number is allowed. Only use simple Arithmetic Operation.​

Answer 1

Answer:

Predict the output of following Java Programs.

Program 1:

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class GfG  

{  

   public static void main(String args[])  

   {  

       String s1 = new String("geeksforgeeks");  

       String s2 = new String("geeksforgeeks");  

       if (s1 == s2)  

           System.out.println("Equal");  

       else

           System.out.println("Not equal");  

   }  

}  

Output:

Not equal

Explanation: Since, s1 and s2 are two different objects the references are not the same, and the == operator compares object reference. So it prints “Not equal”, to compare the actual characters in the string .equals() method must be used.

Explanation:

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