j_tree.java

将前缀表达式转为中缀表达式

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package pro;
//import javax.swing.JTree;
/**
 *
 * @author Administrator
 */
public class J_Tree// extends JTree
{
    char element;
    J_Tree left,right,parent;
    double N;
    public J_Tree(char o){
    element=o; 
    N=11000;
    }
    
}