Quiz Time

[Eranga]

I really love this thread now. Oh dear, where others in our community.

[sanjeevtarar]

Quote:

Originally Posted by Eranga

I really love this thread now. Oh dear, where others in our community.

Eranga.........Where are other Questionsssss..

[rjuyal]

Code:

        System.out.println(strObjThree == strObjOne);
 
        System.out.println(strObjThree == strObjTwo);
        System.out.println(strObjThree.equals(strObjTwo));

is the answer true,false,true


@SANJEEV

let me try for '==' vs equals


'==' compares the reference in case of Object. If both referring to same then true otherwise false

"equals" first compares the reference ( using '==' ) then any other logic afterwards

please let me know if i am wrong

[rjuyal]

PHP Code:

I really love this thread now. Oh dear, where others in our community. 


this thread will be biggest



Sanjeev your turn, ask the quiz

[Eranga]

Quote:

Originally Posted by rjuyal

Sanjeev your turn, ask the quiz

Yes it's. It's your turn Sanjeev now.

[Eranga]

Quote:

Originally Posted by rjuyal

"equals" first compares the reference ( using '==' ) then any other logic afterwards

Actually equals() method compares the characters that make up a String object.

Even though process is different. It actually creates two char arrays and puts the characters of each String objects in separate array and then performs the comparison.

[sanjeevtarar]

Quote:

Originally Posted by Eranga

Actually equals() method compares the characters that make up a String object.

Even though process is different. It actually creates two char arrays and puts the characters of each String objects in separate array and then performs the comparison.

Exactly Eranga.....

[Eranga]

See the advantage to get familiar with much better ways in coding. Our newbie can learn a lot on this thread too.

So where is the next question?

[rjuyal]

EQUALS CODE of STRING CLASS

Code:

if (this == anObject) {
	    return true;
	}
	if (anObject instanceof String) {
	    String anotherString = (String)anObject;
	    int n = count;
	    if (n == anotherString.count) {
		char v1[] = value;
		char v2[] = anotherString.value;
		int i = offset;
		int j = anotherString.offset;
		while (n-- != 0) {
		    if (v1[i++] != v2[j++])
			return false;
		}
		return true;
	    }
	}
	return false;

anyways... next question please

[Eranga]

Yep, nice work pal. If anyone can write similar application that libraries done, we can lean a lot. When I start work on Java I do this.

[sukatoa]

Yeah, "yes" should be printed.....

[rjuyal]

I didn't wrote this code, i just did a CtrlC CtrlV from String Class Code

[Eranga]

Hey, hey....

You should mentioned there. Anyway nice work.

[rjuyal]

One more in this Thread, sukatoa welcome

and post some Quiz here

[Eranga]

Yes, Sukatoa you can join with us. Just make a quiz and send it to here. But don't use any IDE for answering. Used only for write your question.

Seems Sanjeev try to make us a big trouble. May be he's designing a much better question for us.

[rjuyal]

PHP Code:

Seems Sanjeev try to make us a big trouble. May be hes desig 


lol

[rjuyal]

Code:

public class OneMoreEasyOne {	
	public static void main(String[] args) {
		int a = 5;
		System.out.println("Value is: - " + ( ( a > 5 ) ? 2.3 : 2) );
	}
}

What will it print?

[Eranga]

I think it should be,

Code:

Value is - 2.3

What you give me this time.

[sanjeevtarar]

Quote:

Originally Posted by Eranga

I think it should be,

Code:

Value is - 2.3

What you give me this time.

Value will be 2, because a > 5 is false, a >= 5 is true

[rjuyal]

i thought Eranga can't be wrong

But this time you are
BTW, what's the logic behing 2.3

i will post the answer with reason after this