Write a JAVA program which will generate the threads: To calculate factorial of an integer taken from keyboard To display addition series for first 50 integers.

10. Write a JAVA program to read the elements of a 5*5 integer array and then print the sum of all columns along with the index of the column in the output.

I need to write a program in Python which does the following. Using Python IDLE. Program Catch_The_Turtle:Set up turtle screenSet up list of 100 turtles in an arrayPlace the 100 turtles randomly on the screenCreate a function to move the 100 random turtlesIn a for loopMove the 100 turtles towards the turtle in front of itUpdate the turtle screenSet a timer to call the function recursively after 2 millisecond delayEnd.

Write a program to handle a user's rolodex entries. (A rolodex is a system with tagged cards each representing a contact. It would contain a name, address, and phone number. In this day and age, it would probably have an email address as well.) Typical operations people want to do to a rolodex entry are: 1) Add entry 2) Edit entry 3) Delete entry 4) Find entry 5) Print all entries 6) Quit You can decide what the maximum number of rolodex entries is and how long each part of an entry is (name, address, etc.). When they choose to edit an entry, give them the option of selecting from the current rolodex entries or returning to the main menu — don't force them to edit someone just because they chose that option. Similarly for deleting an entry. Also don't forget that when deleting an entry, you must move all following entries down to fill in the gap. If they want to add an entry and the rolodex is full, offer them the choice to return to the main menu or select a person to overwrite. When…