What are the different binary tree traversal techniques?
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Tell me why can't constant values be used to define an array's initial size
Differentiate between arraylist and linkedlist.
Why is treeset sorted?
For the following COBOL code, draw the Binary tree? 01 STUDENT_REC. 02 NAME. 03 FIRST_NAME PIC X(10). 03 LAST_NAME PIC X(10). 02 YEAR_OF_STUDY. 03 FIRST_SEM PIC XX. 03 SECOND_SEM PIC XX.
Write a program using mergesort technique.
How is heap sort implemented?
Is binary tree balanced?
What is a cycle or a circuit?
What is data type and its types?
Does treeset allow null?
write a code for Implementation of stack and queues.
Name few classes that implement collection interface?