The correct way to convert a String to long in Java is with the parseLong method of the wrapper class. The constructor conversion approach is deprecated! Use parseLong instead.

This program focuses on encapsulation, Arraylist, Getters and setters, constructor chaining, toString method and provides functionality by various options to user to add, remove, update, search ...

The Java array size is set permanently when the array is initialized. The size or length count of an array in Java includes both null and non-null characters. Unlike the String and ArrayList, Java ...

A Student has a name and an ArrayList of grades (Doubles) as instance variables. Write a class named Classroom which manages Student objects. - r1y0u/Student-Grade ...

A new bug is marring Lenovo's otherwise excellent Smart Display. The bug, first spotted by Android Police, locks the device in a continuous update loop where it hangs at around 45 percent and then ...

To reset arraylist we have two options, one is to use clear() method and another is to use removeall(). we dont need to worry if size of the arraylist is small i.e. 10 to 100. but if arraylist size ...