What are the two ways in which Java program can be written?

How to Implement traverse a Binary tree in Preorder in Java using Recursion Steps on Preorder Traversal Algorithm visit the nodevisit the left subtreevisit the right subtree Output

Program in C to Find in PreOrder,PostOrder and InOrder Tree Traversals Write A Program to find PreOrder, PostOrder and InOrder Tree Traversals in C language Output:

Selection Sort C Program The selection sort algorithm sorts an array by repeatedly finding the minimum element from unsorted part and putting it at the beginning. Output

Merge Sort Program in C Write a C Program to find Merge Sort . Merge short is a sorting technique based on divide and conquer technique. Output