String comparission in Java

0 votes

Can someone help me with the String comparission in Java? I mean I have two strings stored in suppose str1 and str2 and I am comparing them, it should show equal but is showing not equal. Can someone explain me what is the problem?

class Stringcmp
{6
    public static void main(String args[])
    {
        String s1 = new String("abcd");
        String s2 = new String("abcd");
        if (s1 == s2) 
            System.out.println("Equal");
        else
            System.out.println("Not equal");
    }
}
Mar 11 in Java by Ramya Mantri
69 views

2 answers to this question.

0 votes
Obviously it will print not equal. 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.
answered Mar 12 by Reena
0 votes
You should use s1.equals(s2) instead of '==' for string comparison.

ref: https://stackoverflow.com/a/767379
answered Mar 14 by anonymous
Aren't those one and the same?

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