comparing string values

Question

I want to compare 2 strings. My first value is in 'list[0][0]' variable and the second value is in item[0]. But when I am comparing the 2 strings using 'if' statement, I don't get the answer.

if(selected_list[0][0]==items[0]) { // some code } it is not working. But when I am hard-coded these values, it is working fine. if("banana"=="banana") { // some code } Please give me the solution? Thank you..

colithium · Accepted Answer · 2010-10-22 08:27:31Z

9

Here is an explanation of how strings should be compared and the different options for doing so. They aren't as simple as comparing int's.

if (string1.equals(string2))

answered Oct 22, 2010 at 8:27

colithium

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1 Comment

ShadowGod Over a year ago

Just to add for Java beginners, it is done this way because Strings are Objects.

Daniel Klöck · Accepted Answer · 2010-10-22 08:27:34Z

1

You have to compare it as [list[0][0] isEqualToString:items[0]] otherwise you are comparing their addresses not the values.

answered Oct 22, 2010 at 8:27

Daniel Klöck

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2 Comments

colithium Over a year ago

Wouldn't that apply to iPhone development??

Daniel Klöck Over a year ago

Oops, wrong language, but it works the same way anyway. Just the way to write it is different (list[0][0]).equals(items[0])

DavGin · Accepted Answer · 2010-10-22 08:33:05Z

1

Use the compareTo() or equals() method of one of your strings, passing the other string as argument.

string1.equals(string2)
// returns true if both strings are equal

string1.compareTo(string2)
// returns 0 if both strings are equal

answered Oct 22, 2010 at 8:33

DavGin

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