Character Methods In Java

Java 8(JDK1.8)

Following is the list of the important instance methods that all the subclasses of the Character class implement −


Sr.No. - Method & Description

1.isLetter() - Determines whether the specified char value is a letter.

2.isDigit() - Determines whether the specified char value is a digit.

3.isWhitespace() - Determines whether the specified char value is white space.

4.isUpperCase() - Determines whether the specified char value is uppercase.

5.isLowerCase() - Determines whether the specified char value is lowercase.

6.toUpperCase() - Returns the uppercase form of the specified char value.

7.toLowerCase() - Returns the lowercase form of the specified char value.

8.toString() - Returns a String object representing the specified character value that is, a one-character string.

Top Blogs
Java Retention Policy, SOURCE,CLASS,RUNTIME Published at:- Meaning Of Java Published at:- Java Programming in Python Published at:- Applications of Java Programming Published at:- Java Explaination Published at:- History of Java Published at:- Tools You Will Need Published at:- Local Environment Setup Published at:- Popular Java Editors Published at:- Basic Syntax in Java Published at:- Java Identifiers Published at:- Java Modifiers Published at:- Inheritance Published at:- Object and Classes In Java Published at:- Classes in Java Published at:- Source File Declaration Rules Published at:- Java Package Published at:- Constructors Published at:- No argument Constructors Published at:- Basic Datatypes In Java Published at:- Java - Modifier Types Published at:- Java - Basic Operators Published at:- The Relational Operators Published at:- The Bitwise Operators Published at:- The Logical Operators Published at:- The Assignment Operators Published at:- Miscellaneous Operators Published at:- Precedence of Java Operators Published at:- Java - Loop Control Published at:- Java - Decision Making Published at:- Java - Numbers Class Published at:- Java In Character Class Published at:- Escape Sequences In Java Published at:- Character Methods In Java Published at:- Java In Strings Class Published at:- String Length In Java Published at:- Concatenating Strings In Java Published at:- Creating Format Strings In Java Published at:- Java - Arrays Published at:- Creating Arrays In Java Published at:- Java - Date and Time Published at:- Getting Current Date and Time Published at:- Date Comparison Published at:- Simple DateFormat Format Codes Published at:- Sleeping for a While Published at:- Gregorian Calendar Class Published at:- Java - Regular Expressions Published at:- Java - Methods Published at:- Method Calling Published at:- Passing Parameters by Value In Java Published at:- Method Overloading In Java Published at:- The finalize( ) Method In Java Published at:- Java - Files and I O Published at:- Standard Streams In Java Published at:- File Input Stream Published at:- File Output Stream In Java Published at:- Directories in Java Published at:- Java - Exceptions Published at:- Exception Hierarchy In Java Published at:- Java Programming Language Published at:- JDK in Java Published at:- History of Java Programming Language Published at:- Difference Between C++ vs Java vs Python Published at:- How JVM Works – JVM Architecture? Published at:- JVM Memory Published at:- Difference between Byte Code and Machine Code Published at:- How is Java platform independent? Published at:- Java is platform-independent but JVM is platform dependent Published at:- Java Basic Syntax Published at:- Data types in Java Published at:- Primitive data type vs. Object data type in Java with Examples Published at:- Java Identifiers Published at:- Operators in Java Published at:- Variables in Java Published at:- Types of Variables in Java Published at:- Differences between the Instance variable Vs. the Static variables Published at:- Scope of Variables In Java Published at:- Differences between JDK, JRE and JVM Published at:- Similarities and Difference between Java and C++ Published at:- Setting up the environment in Java Published at:- Packages In Java Published at:- Decision Making in Java (if, if-else, switch, break, continue, jump) Published at:- Loops in Java Published at:- Java while loop with Examples Published at:- Java do-while loop with Examples Published at:- Components of do-while Loop Published at:- Continue Statement in Java Published at:- Break statement in Java Published at:- Define Java Methods Published at:- Java Method Parameters Published at:- Return Values In JAva Published at:- Define of Java Scope Published at:- Meaning of Java Recursion Published at:- What is OOP in Java ? Published at:- Java Class Attributes Published at:- Java Class Methods Published at:- Static vs. Non-Static Java Published at:- Java Constructors Published at:- Java Encapsulation Published at:- Java Packages Published at:- Java Inheritance Published at:- Java Polymorphism Published at:- Java - Abstraction Published at:- Java - Interfaces Published at:- Declaring Interfaces In Java Published at:- Java - Overriding Published at:- Java - Packages Published at:- Java - Data Structures Published at:- Java - Data Structures Published at:- The Collection Interfaces In Java Published at:- Generics In Java Published at:- Java - Serialization Published at:- Java - Networking Published at:- Java - Sending Email Published at:- Java - Multithreading Published at:- Java - Applet Basics Published at:- Java - Documentation Comments Published at:- Comments in Java Published at:- Java Interview Questions Set 1 Published at:- Java Interview Questions Set 2 Published at:- Java Interview Questions Set 2 Published at:- Java Interview Questions Set 3 Published at:- Java Interview Questions Set 4 Published at:- Java Interview Questions Set 5 Published at:- Java Interview Questions Set 6 Published at:- Java Interview Questions Set 7 Published at:- Java Interview Questions Set 8 Published at:- Java Interview Questions Set 9 Published at:- Java Interview Question Set 10 Published at:- Java Interview Question Set 11 Published at:- Java interview Question Set 12 Published at:- Java Interview Question Set 13 Published at:- Java Interview Questions Set 10 Published at:- Java Interview Question Set 12 Published at:- Java Interview Question Set 13 Published at:- Java Interview Question Set 14 Published at:- Java Interview Question Set 15 Published at:- Java Multithreading Interview Questions Set 1 Published at:- Java multithreading interview questions Set 2 Published at:- Java multithreading interview questions Set 3 Published at:- Java Multithreading Interview Set 4 Published at:- Java multithreading interview questions Set 5 Published at:- Java collections interview questions Set 6 Published at:- Java collections interview questions Set 7 Published at:- Java Interview Question Set 8 Published at:- Java Interview Question Set 1 Published at:- Java Interview Question Set 10 Published at:- Java Interview Question Published at:- Java Interview Question Published at:- Java Interview Question Published at:- Java Interview Question Published at:- Java Interview Question Published at:- Java Interview Question Published at:- Java Interview Question Published at:- JavaScript Interview Questions Published at:- Javascript Interview Question Published at:- Javascript Interview Question Published at:- JavaScript Interview Question Set 1 Published at:- JavaScript Interview Question Set 2 Published at:- JavaScript Interview Question Set 3 Published at:- JavaScript Interview Question Set 4 Published at:- Python Interview Question Set 6 Published at:- How to Optimize Java Apps on Kubernetes Published at:- When and Why Java is utilized for Application Improvement Published at:- Scanner nextLine() ,nextInt() ,nextDouble() method in Java with Examples Published at:- java toUpperCase() and toLowerCase() example Published at:- pushing value at last in java | how to add element at the end of array in java Published at:- Write a program for group words by first character of given string | Java 8 Stream Example Published at:- Write a Java 8 program to calculate the age of a person in years given their birthday Published at:- Write a Java 8 program to calculate the age of a person in years given their birthday Years Months Days Published at:- Write a Java 8 program to print the first 10 odd numbers Published at:- Filter employees by age in Java 8 Lamda steam Published at:- Write a Java 8 program to get the last element of an array string/object Published at:- Filter employees by age set senior if age is greater than 30 in Java 8 Lamda steam Published at:- How to increment salary by 2%, 5%, etc. Using java Published at:- Write a program to find the only duplicate count list in the List Published at:- Write a program to append char in char ex-input- {A, B, C} output->[A_X, B_Y, C_Z] Published at:- Write a program to sum an array without using the sum method Published at:- Write a program to sum an array Published at:- Drop all while condition not meet dropWhile(),dropWhile(Predicate<T> predicate) Published at:- Find the maximum value in a list of integers using Stream & Method Reference Published at:- How to sort a list of strings by length using Lambda expressions Published at:- How to filter and collect a list of strings that start with a specific letter using Java 8 Stream Published at:- Write a Java program To create a map from a array of strings where the key is the string and the value is its length Published at:- How to count the number of occurrences of a given word in a list of strings using Java 8 Published at:- How to remove all duplicates from an array of integers in Java using Java 8 Published at:- How to find next, previous, tomorrow ,yesterday date using Java 8 Published at:- How to iterate and modify values in a Map using Java 8 Published at:- How to print keys & values of a Map using Java 8 Published at:- count of each character in a String using Java 8 Published at:- Write a Program to find the Maximum element in an array Published at:- How to check if list is empty in Java 8 using Optional Published at:- Find duplicate elements with its count using Java 8 Published at:- Find Last duplicate character of given string using Java 8 Published at:- Given a list of integers, separate odd and even numbers Published at:- java 8 using lambda expression and stream api | Java 8 Programs using Lambda Expression and Stream Published at:- 26 Java 8 Programs using Lambda Expression and Stream Published at:- Java 8 Stream String Null Or Empty Filter Published at:- sum ,min ,max etc example using reduce method using Java 8 Stream API Published at:- Find first repeated character in a string Published at:- Sort highest salary in each department Published at:- Grouping Employees by City and Age Published at:- Finding the Count of Male and Female Employees Published at:- Printing Names of All Departments from Employee Class using Java Published at:- Printing Employee Details by Age Criteria using Java Published at:- Finding Maximum Age of Employee using Java Published at:- Printing Average Age of Male and Female Employees using Java Published at:- Printing the Number of Employees in Each Department using Java Published at:- Java Class subclass interview coding questions Published at:- Child and Parent overridden methods Throws RuntimeException Published at:- Child and Parent overridden methods Throws checked exception Published at:- Find Customer staring with +91 mobile number Published at:- Sorting the Employees Salary in Each Department in Descending Order Published at:- Sorting the Employees Salary in Each Department in Ascending Order Published at:- What are new in Java different versions Published at:-
R4R.co.in Team
The content on R4R is created by expert teams.