
- Java.lang Package classes
- Java.lang - Home
- Java.lang - Boolean
- Java.lang - Byte
- Java.lang - Character
- Java.lang - Character.Subset
- Java.lang - Character.UnicodeBlock
- Java.lang - Class
- Java.lang - ClassLoader
- Java.lang - Compiler
- Java.lang - Double
- Java.lang - Enum
- Java.lang - Float
- Java.lang - InheritableThreadLocal
- Java.lang - Integer
- Java.lang - Long
- Java.lang - Math
- Java.lang - Number
- Java.lang - Object
- Java.lang - Package
- Java.lang - Process
- Java.lang - ProcessBuilder
- Java.lang - Runtime
- Java.lang - RuntimePermission
- Java.lang - SecurityManager
- Java.lang - Short
- Java.lang - StackTraceElement
- Java.lang - StrictMath
- Java.lang - String
- Java.lang - StringBuffer
- Java.lang - StringBuilder
- Java.lang - System
- Java.lang - Thread
- Java.lang - ThreadGroup
- Java.lang - ThreadLocal
- Java.lang - Throwable
- Java.lang - Void
- Java.lang Package extras
- Java.lang - Interfaces
- Java.lang - Errors
- Java.lang - Exceptions
- Java.lang Package Useful Resources
- Java.lang - Useful Resources
- Java.lang - Discussion
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
Java.lang.Enum.valueOf() Method
Description
The java.lang.Enum.valueOf() method returns the enum constant of the specified enumtype with the specified name. The name must match exactly an identifier used to declare an enum constant in this type.
Declaration
Following is the declaration for java.lang.Enum.valueOf() method
public static <T extends Enum<T>> T valueOf(Class<T> enumType, String name)
Parameters
enumType − This is the Class object of the enum type from which to return a constant.
name − This is the name of the constant to return.
Return Value
This method returns the enum constant of the specified enum type with the specified name.
Exception
IllegalArgumentException − if the specified enum type has no constant with the specified name, or the specified class object does not represent an enum type.
NullPointerException − if enumType or name is null.
Example
The following example shows the usage of java.lang.Enum.valueOf() method.
package com.tutorialspoint; import java.lang.*; // enum showing Mobile prices enum Mobile { Samsung(400), Nokia(250),Motorola(325); int price; Mobile(int p) { price = p; } int showPrice() { return price; } } public class EnumDemo { public static void main(String args[]) { System.out.println("CellPhone List:"); for(Mobile m : Mobile.values()) { System.out.println(m + " costs " + m.showPrice() + " dollars"); } Mobile ret; ret = Mobile.valueOf("Samsung"); System.out.println("Selected : " + ret); } }
Let us compile and run the above program, this will produce the following result −
CellPhone List: Samsung costs 400 dollars Nokia costs 250 dollars Motorola costs 325 dollars Selected : Samsung