class tree

###tree.java
### class pertama + gabung dengan kompresi.java

class Node {
       Node top, left ,right;
       String value;
       long freq;

       public Node () {
               top=null;
               left=null;
               right=null;
               value=new String ("");
               freq=0;
       }

       public Node (String v) {
               top=null;
               left=null;
               right=null;
               value=new String(v);
               freq=0;
      
       }

       public Node (String v,long f) {
               top=null;
               left=null;
               right=null;
               value=new String(v);
               freq=f;
      
       }

       public void setTop(Node t) {top=t; return;}
       public void setLeft(Node t) {left=t; return;}
       public void setRight(Node t) {right=t; return;}
       public void setValue(String t) {value=t; return;}
       public void setFreq(long t) {freq=t; return;}

       public Node getTop() {return (top);}
       public Node getLeft() {return(left);}
       public Node getRight() {return(right);}
       public String getValue() {return(value);}
       public long getFreq() {return(freq);}
      
       }
 

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