How do I create and access the global variables in Groovy?

Question

I need to store a value in a variable in one method and then I need to use that value from that variable in another method or closure. How can I share this value?

Answer 1

Could not figure out what you want, but you need something like this ? :

​def a = { b -> b = 1 }
​bValue = a()
println b // prints 1

Now bValue contains the value of b which is a variable in the closure a. Now you can do anything with bValue Let me know if i have misunderstood your question

Answer 2

def iamnotglobal=100 // This will not be accessible inside the function

iamglobal=200 // this is global and will be even available inside the 

def func()
{
    log.info "My value is 200. Here you see " + iamglobal
    iamglobal=400
    //log.info "if you uncomment me you will get error. Since iamnotglobal cant be printed here " + iamnotglobal
}
def func2()
{
   log.info "My value was changed inside func to 400 . Here it is = " + iamglobal
}
func()
func2()

here iamglobal variable is a global variable used by func and then again available to func2

if you declare variable with def it will be local, if you don't use def its global