Sorted:

What is the command to reboot Linux?

How do you preserve integers in DecimalFormat in Java?

How to reverse a string using StringBuffer in Java?

How to obtain the decimal part in Python?

How to check the connection limit in Linux?

How can one check the type and number of disks in Linux?

What are the functions of the vboxmanage command?

What are the different methods of configuring JDK versions?

How to remove an element from an array in C++?

How can you check the number of threads in Linux?