In this program, we will create a hash collection and print the created collection. Then we will remove all items from the hash collection using the clear() method.
The source code to remove all items from the hash collection is given below. The given program is compiled and executed on Windows 10 Operating System successfully.
# Ruby program to remove all items
# from hash collection
student = {"101" => "Amit", "102" => "Arun", "103" => "Sumit"};
print "Student information before clear() method: \n",student;
student.clear();
print "\nStudent information after clear() method: \n",student;
Output:
Student information before clear() method:
{"101"=>"Amit", "102"=>"Arun", "103"=>"Sumit"}
Student information after clear() method:
{}
Explanation:
In the above program, we created a hash collection to store student information. Then we removed all items from the user using the clear() method. Then we printed the updated hash collection.
Program/Source Code:
The source code to remove all items from the hash collection is given below. The given program is compiled and executed on Windows 10 Operating System successfully.
Output:
Explanation:
In the above program, we created a hash collection to store student information. Then we removed all items from the user using the clear() method. Then we printed the updated hash collection.
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