To check whether the entered value is ASCII 7-bit control character, check the characters ASCII value before 32 and 127. These are the control characters.Here, we have a character.char one = ' n ';Now, we have checked a condition with if-else to check for character less than 32 (ASCII) and ... Read More

To check for Long overflow, we need to check the Long.MAX_VALUE with the added long result. Here, Long.MAX_VALUE is the maximum value of Long type in Java.Let us see an example wherein long integers are added and if the result is more than the Long.MAX_VALUE, then an exception is thrown.The ... Read More

A set in Java is modelled after the mathematical set and it cannot contain duplicate elements. The set interface contains the methods that are inherited from Collection. The method remove() removes the specified items from the set collection.A program that demonstrates the removal of items from Set using remove() is ... Read More

Permutation and Combination are a part of Combinatorics. Permutation is the different arrangements that a set of elements can make if the elements are taken one at a time, some at a time or all at a time. Combination is is the different ways of selecting elements if the elements ... Read More

To compare two objects of Character type in Java, use the compareTo() method.Firstly, we have created two Character type.Character one = new Character('m'); Character two = new Character('k');Now, to compare them, we have used the compareTo() method.int res = one.compareTo(two);The following is the example that compares character objects.Example Live Demopublic class ... Read More

The valueOf() method is used in Java to convert char array to string.Here is our char array.// char array char[] c = {'p', 'q', 'r', 's', 't', 'u', 'v'};To convert it to string, use the valueOf() method.String str = String.valueOf(c);Example Live Demopublic class Demo {    public static void main(String[] args) ... Read More

Java provides the Date class available in java.util package, this class encapsulates the current date and time. The time functions can be accessed from the java.util.Date class. This represents an instance of time with millisecond precision.One of the time function in Java is the getTime() function. It returns the number ... Read More

Each date of birth corresponds to a given Zodiac sign. A table that demonstrates these signs and their corresponding dates is given below −Zodiac SignDateAriesMarch 21 - April 19TaurusApril 20 - May 20GeminiMay 21 - June 20CancerJune 21 - July 22LeoJuly 23 - August 22VirgoAugust 23 - September 22LibraSeptember 23 ... Read More

A substring is a part of a string and it can be checked if a particular substring is present in the given string or not. An example of this is given as follows −String = The sunset is beautiful Substring = sunsetThis substring is present in the string.A program that ... Read More

The order of the words in a string can be reversed and the string displayed with the words in reverse order. An example of this is given as follows.String = I love mangoes Reversed string = mangoes love IA program that demonstrates this is given as follows.Example Live Demoimport java.util.regex.Pattern; public ... Read More