1 import java.io.*; 2 import java.util.*; 3//class node 4 class NodeJN 34567890 { public int iData; public double dData; public Node leftChild; 9 public Node rightChild; //displyay node 10 11 12 13 14 15 16 17 18 public void displayNode() { System.out.print('{'); System.out.print(iData); System.out.print(", "); System.out.print(dData); System.out.print(" "); } 19} //end node class 20 Radix.java Node.java NodeJN-1.java Run I/O Interactions Compile Messages jGRA SP Messages Stop Clear Copy NodeJN-1.java:8: error: cannot find symbol public Node leftChild; Λ symbol: class Node location: class NodeJN NodeJN-1.java:9: error: cannot find symbol public Node rightChild; Λ symbol: class Node location: class NodeJN