To round the decimal number in java we have DecimalFormat class in java. By using DecimalFormat class format() method we can round double or float number to N... read more ?

In order to compare objects we have comparable and comparator in java. If you want to do custom sorting we will use comparator in java We need to... read more ?

Inoder to convert arraylist to array normally we will try to iterate arraylist using loop and get each element and put it in an array. But you know... read more ?

finalize() method pre defined method which is present in java.lang.Object class.finalize() method is protected  method defined in java.lang.Object class.The finalize method is a method defined in the Object... read more ?

If we declare any method as final by placing final keyword then that method becomes final method. The main use of final method in java is they are... read more ?

printf method in java: Print() and println() methods are used to print text and object values or format data. In order to format text we also have printf()... read more ?

 Arrays in java are used to hold similar data types values. System.out.print() method does not print values of array. In order to print array values we have different... read more ?