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HashMap putall() use

Aneek Banerjee
Ranch Hand

Joined: Jun 20, 2012
Posts: 61

Hi I have an HashMap and I am trying to copy all the element of that HashMap to another map.Finally I want to itreat through the element of the copied map and printout each element.I have written the below program for this purpose but when I try and run this I am not getting any output.
Please Advice.

Raymond Tong
Ranch Hand

Joined: Aug 15, 2010
Posts: 230
    
    2

hm.putAll(hm1)
putAll hm1 Ma.Entry to hm which hm1 is empty
do you mean hm1.putAll(hm) ?
Aneek Banerjee
Ranch Hand

Joined: Jun 20, 2012
Posts: 61

@Tong.

Exactly my mistake.Now working fine.
 
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subject: HashMap putall() use