Same Tree

//Same Tree Total Accepted: 71830 Total Submissions: 173103 My Submissions Question Solution 
//Given two binary trees, write a function to check if they are equal or not.
//
//Two binary trees are considered equal if they are structurally identical and the nodes have the same value.
public class SameTree {


public static void main(String[] args) {
// TODO Auto-generated method stub


}
public boolean isSameTree(TreeNode p, TreeNode q) {
if(p==null&&q==null)
return true;
if(p==null||q==null)
return false;
if(p.val==q.val)
return isSameTree(p.left, q.left)&&isSameTree(p.right, q.right);
else
return false;
}


}