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get the values form into an array

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0

I filtered a map with a key using mulitihashmap, but I couldn't handle the values for a particular key.

HashMap mh1 = new HashMap();

 HashMap m2 = new HashMap(H6.getMap());

 for(Object key : m2.keySet())
 {
 //System.out.println(key);
 if(key.toString().toLowerCase().equals(keyword))
 {
 System.out.println(" Key : "+ key + "... value : " + m2.get(key));
 String str = m2.get(key).toString();

m2 is a HashMap. for the key, it has the values like [d1.txt, d2.txt, d3.txt, d4.txt, d5.txt, d5.txt], here I need to get the values into an array, but this str is completely a string.

the answer -->
Key : the... value : [d1.txt, d2.txt, d3.txt, d4.txt, d5.txt, d5.txt]

need to get the values in any form like array or sets only the values

java

share|improve this question

edited Mar 26 at 3:54

G Gayamini

asked Mar 26 at 3:41

G GayaminiG Gayamini

111 bronze badge

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  String[] arr = str.split("\s*,\s*");
  
  – Elliott Frisch
  Mar 26 at 3:42
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Why is it a string? And where does multihashmap come in?
  
  – shmosel
  Mar 26 at 3:46
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  What are the actual objects? Are they lists? Sets? Why are you using a raw HashMap? What does H6.getMap() return? Is it also raw?
  
  – shmosel
  Mar 26 at 4:01
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  You can split the strings by comma using regex, so it will produce an array of strings like d1.txt, d2.txt,...
  
  – venkat
  Mar 26 at 4:03
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  here the H6.getMap() return the words and the name of the text files which contains the word, then I filtered the map with a keyword.
  
  – G Gayamini
  Mar 26 at 4:05
  

  
  
  
  

 | 
show 4 more comments

0

I filtered a map with a key using mulitihashmap, but I couldn't handle the values for a particular key.

HashMap mh1 = new HashMap();

 HashMap m2 = new HashMap(H6.getMap());

 for(Object key : m2.keySet())
 {
 //System.out.println(key);
 if(key.toString().toLowerCase().equals(keyword))
 {
 System.out.println(" Key : "+ key + "... value : " + m2.get(key));
 String str = m2.get(key).toString();

m2 is a HashMap. for the key, it has the values like [d1.txt, d2.txt, d3.txt, d4.txt, d5.txt, d5.txt], here I need to get the values into an array, but this str is completely a string.

the answer -->
Key : the... value : [d1.txt, d2.txt, d3.txt, d4.txt, d5.txt, d5.txt]

need to get the values in any form like array or sets only the values

java

share|improve this question

edited Mar 26 at 3:54

G Gayamini

asked Mar 26 at 3:41

G GayaminiG Gayamini

111 bronze badge

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  String[] arr = str.split("\s*,\s*");
  
  – Elliott Frisch
  Mar 26 at 3:42
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Why is it a string? And where does multihashmap come in?
  
  – shmosel
  Mar 26 at 3:46
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  What are the actual objects? Are they lists? Sets? Why are you using a raw HashMap? What does H6.getMap() return? Is it also raw?
  
  – shmosel
  Mar 26 at 4:01
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  You can split the strings by comma using regex, so it will produce an array of strings like d1.txt, d2.txt,...
  
  – venkat
  Mar 26 at 4:03
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  here the H6.getMap() return the words and the name of the text files which contains the word, then I filtered the map with a keyword.
  
  – G Gayamini
  Mar 26 at 4:05
  

  
  
  
  

 | 
show 4 more comments

I filtered a map with a key using mulitihashmap, but I couldn't handle the values for a particular key.

HashMap mh1 = new HashMap();

 HashMap m2 = new HashMap(H6.getMap());

 for(Object key : m2.keySet())
 {
 //System.out.println(key);
 if(key.toString().toLowerCase().equals(keyword))
 {
 System.out.println(" Key : "+ key + "... value : " + m2.get(key));
 String str = m2.get(key).toString();

m2 is a HashMap. for the key, it has the values like [d1.txt, d2.txt, d3.txt, d4.txt, d5.txt, d5.txt], here I need to get the values into an array, but this str is completely a string.

the answer -->
Key : the... value : [d1.txt, d2.txt, d3.txt, d4.txt, d5.txt, d5.txt]

need to get the values in any form like array or sets only the values

java

share|improve this question

edited Mar 26 at 3:54

G Gayamini

asked Mar 26 at 3:41

G GayaminiG Gayamini

111 bronze badge

 HashMap m2 = new HashMap(H6.getMap());

 for(Object key : m2.keySet())
 {
 //System.out.println(key);
 if(key.toString().toLowerCase().equals(keyword))
 {
 System.out.println(" Key : "+ key + "... value : " + m2.get(key));
 String str = m2.get(key).toString();

share|improve this question

edited Mar 26 at 3:54

G Gayamini

asked Mar 26 at 3:41

G GayaminiG Gayamini

111 bronze badge

share|improve this question

edited Mar 26 at 3:54

G Gayamini

asked Mar 26 at 3:41

G GayaminiG Gayamini

111 bronze badge

asked Mar 26 at 3:41

G GayaminiG Gayamini

111 bronze badge

asked Mar 26 at 3:41

G GayaminiG Gayamini

111 bronze badge