calling object from class in java

Question

guys i9 know it is dummy qustion but i am beginner .. i have this class

public class threadLocal {
private static ThreadLocal<String> myThreadLocal;

public threadLocal(){
    myThreadLocal = new ThreadLocal<String>();
}

public static ThreadLocal<String> getMyThreadLocal() {
    return myThreadLocal;
}

public static void setMyThreadLocal(ThreadLocal<String> myThreadLocal) {
    threadLocal.myThreadLocal = myThreadLocal;
}
}

and i want to call it like this in another class

myThreadLocal.setMyThreadLocal("patrick");

so what changes should i do in threadLocal class ??

yesss it is ... ithreadLlocal contatins object from ThreadLocal — yomna esam
– yomna esam, Commented Apr 6, 2016 at 8:50
If myThreadLocal is of type threadLocal you can't call setMyThreadLocal with the argument "patrick", because it expects an object of type ThreadLocal<String>, not an object of type String. — Modus Tollens
– Modus Tollens, Commented Apr 6, 2016 at 8:53
@ModusTollens so waht should changes i do to call it with argument patrick ?? — yomna esam
– yomna esam, Commented Apr 6, 2016 at 8:56
I'm not sure what you are trying to do, but you can change the method argument to receive a String and construct a ThreadLocal<String> object from that, or you keep the argument as type ThreadLocal<String> and call the method with an object of type ThreadLocal<String>. — Modus Tollens
– Modus Tollens, Commented Apr 6, 2016 at 8:58
Does the ThreadLocal class have a constructor that uses a String as arument? — Modus Tollens
– Modus Tollens, Commented Apr 6, 2016 at 8:59

Anand Vaidya · Accepted Answer · 2016-04-06 09:19:18Z

3

I think you should rewrite your class this way.

public class threadLocal {
 private static ThreadLocal<String> myThreadLocal = new ThreadLocal<String>();

 public static String getMyThreadLocal() {
    return myThreadLocal.get();
  }

 public static void setMyThreadLocal(String str) {
    myThreadLocal.set(str);
  }
}

While calling, you may just call

threadLocal.getMyThreadLocal()

edited Apr 6, 2016 at 9:19

answered Apr 6, 2016 at 8:58

Anand Vaidya

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4 Comments

yomna esam Over a year ago

and how call it in main class ??

yomna esam Over a year ago

threadLocal local = new threadLocal(); local.setMyThreadLocal("dsfd");

Oebele Over a year ago

setMyThreadLocal is static, so you need to call the method on the class. So: threadLocal.setMyThreadLocal("patrick");

Anand Vaidya Over a year ago

BTW the classnames in java usually start with Capital letter.

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