Vector can be used to implement dynamic Array. It can accommodate any number and any type of objects. It is used to store various objects into a single unit.
A Table is used to display data in the form of rows and columns. It can allow editing of data which is optional. By default, the columns of a table can be resized.
Circle() is used to draw a circle centered at(x,y) with radius specified by the variable radius in the current drawing colour.
ASCII means American Standard Code for Information Interchange(a character encoding scheme means uppercase letters(A-Z), lowercase letters(a-z), special symbols($,&,#,@).
In C++, the new operator is used to allocate the memory from free store and delete operator is used to return the previously allocated memory back to the free store.
drawOval() is the method of a Graphics class.To draw a oval we use drawOval(int xaxis,int yaxis,int widthh, int heightt) method.
LinkedHashSet is maintains the insertion(insert the elements) order in Linked List.Elements get Sorted in the sequence order.
In JCombobox the selected text is displayed in the text field.The Swing JCombo will automatically add scroll bar. combo_b.removeItemAt(0) is used to remove elements (specified item) from the list.
By using Integer.toBinaryString() we can convert integer string into binary value.This is the best way to convert integer to a binary string in Java.