Y c&d strings are mismatch..

Question

public class Program
{
public static void main(String[] args) {
String a="a";
String b="b";
String c=a+b;

System.out.println(c);
String d="ab";
if (c==d)
System.out.println("1");
else
System.out.println("0");

}
}

Answer 1

they are both same. could you plz check your code again?
this code gave me 1 as result:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SoloLearn
{
class Program
{
static void Main(string[] args)
{
string a="a";
string b="b";
string c="ab";
string d=a+b;
if(c==d)
{
console.writeline("1");
}
else
{
console.writeline("0");
}
}
}
}

Answer 2

the ans 0 is crct but how it will be came ???

Answer 3

why zero?

Answer 4

I don't know...that's y I ask this question