To count number of 1's,0's,2's in a string in java -


I'm new to Java string operation.

A string has 0, 1, showing something like 2 

  string content = "0011221100";   
 You can ask me a question why you do not keep it in the whole, because in my case I should only use the string.  
 The output can be:  
  0's: 4's: 4's of 2: 2   
 How can I get it?  
  
 
 
 If you only need to search for  1, 0's, 2's < / Code> then you can do something like this:  
  string content = "0011221100"; Int zeros = content.length () - content.replaceAll ("0", ""). Length (); Int ones = content.length () - content.replaceAll ("1", ""). Length (); Int twos = content.length () - content.replaceAll ("2", ""). Length (); System.out.println ("0's:" + zero); System.out.println ("1:" +); System.out.println ("3:" + Doa ");

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