Java program to get the topmost element from Stack collection without removing it
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Severity: 8192
Message: str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated
Filename: libraries/Filtered_db.php
Line Number: 23
belongs to collection: Java Stack Programs
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Program/Source Code:
The source code to get the topmost element from the Stack collection without removing it is given below. The given program is compiled and executed successfully.
Output:
Explanation:
In the above program, we imported the "java.io.*" and "java.util.*" packages to use the Stack collection class. Here, we created a class Main. The Main class contains a main() method. The main() method is the entry point for the program.
In the main() method, we created a Stack collection and add elements to it. Then we got an element from the TOP of the stack using the peek() method and printed the result.