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Please enable JavaScript in your browser settings or update your browser.Email Validation Challenge | String Advanced
Java Extended
course content

Conteúdo do Curso

Java Extended

Java Extended

1. Deep Java Structure
How does the compiler works?Data Transfer in JavaFinal KeywordImporting LibrariesUsing Libraries In Our CodeTernary OperatorEnhanced Switch Statement
2. Methods
What is a Method?Creating Our Own MethodsChallenge: Names Starting with Letter BVoidMethods PracticeMethod Overloading RecursionFind Maximum and Minimum in Array Challenge
3. String Advanced
Deeper into StringMethod split()Uppercase Even Words ChallengeindexOf() methodCharacter Indices Sum Challengetrim() MethodEmail Validation Challenge
4. Classes
What is class?Main Class and MethodAccess modifiersClass CreationCat Meowing ChallengeConstructorTeam Constructor ChallengeMethod toString()Parrot Information Display Challenge
5. Classes Advanced
Complex Classes UsagePet and Owner Relationship ChallengePrivate ModifierAnimal Information Display ChallengeGetter and SetterUpdating User InformationSummary

bookEmail Validation Challenge

Tarefa

Your task is to implement email validation by trimming any leading and trailing spaces from the string. Then, check the email's validity based on three conditions: there must be characters before the @ symbol, there must be characters after the @, and the domain after the @ must contain a dot. If the email is valid, extract and display the domain (the part after the @ symbol, excluding the symbol itself).

  1. In the validateEmail method, find the index of the @ symbol in the email.
  2. In the validateEmail method, find the index of the first dot (.) symbol in the email.
  3. Check that the @ index is greater than 0, and the dot index is greater than the @ index and less than the length of the email minus 1.
  4. In the extractDomainFromEmail method, find the index of the @ symbol in the ``email`.
  5. Extract and return the substring starting from the character immediately after @ in the extractDomainFromEmail method.
  6. In the main method, trim any leading and trailing spaces from the email string.

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Seção 3. Capítulo 7
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bookEmail Validation Challenge

Tarefa

Your task is to implement email validation by trimming any leading and trailing spaces from the string. Then, check the email's validity based on three conditions: there must be characters before the @ symbol, there must be characters after the @, and the domain after the @ must contain a dot. If the email is valid, extract and display the domain (the part after the @ symbol, excluding the symbol itself).

  1. In the validateEmail method, find the index of the @ symbol in the email.
  2. In the validateEmail method, find the index of the first dot (.) symbol in the email.
  3. Check that the @ index is greater than 0, and the dot index is greater than the @ index and less than the length of the email minus 1.
  4. In the extractDomainFromEmail method, find the index of the @ symbol in the ``email`.
  5. Extract and return the substring starting from the character immediately after @ in the extractDomainFromEmail method.
  6. In the main method, trim any leading and trailing spaces from the email string.

Switch to desktopMude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo
Tudo estava claro?

Como podemos melhorá-lo?

Obrigado pelo seu feedback!

Seção 3. Capítulo 7
toggle bottom row

bookEmail Validation Challenge

Tarefa

Your task is to implement email validation by trimming any leading and trailing spaces from the string. Then, check the email's validity based on three conditions: there must be characters before the @ symbol, there must be characters after the @, and the domain after the @ must contain a dot. If the email is valid, extract and display the domain (the part after the @ symbol, excluding the symbol itself).

  1. In the validateEmail method, find the index of the @ symbol in the email.
  2. In the validateEmail method, find the index of the first dot (.) symbol in the email.
  3. Check that the @ index is greater than 0, and the dot index is greater than the @ index and less than the length of the email minus 1.
  4. In the extractDomainFromEmail method, find the index of the @ symbol in the ``email`.
  5. Extract and return the substring starting from the character immediately after @ in the extractDomainFromEmail method.
  6. In the main method, trim any leading and trailing spaces from the email string.

Switch to desktopMude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo
Tudo estava claro?

Como podemos melhorá-lo?

Obrigado pelo seu feedback!

Tarefa

Your task is to implement email validation by trimming any leading and trailing spaces from the string. Then, check the email's validity based on three conditions: there must be characters before the @ symbol, there must be characters after the @, and the domain after the @ must contain a dot. If the email is valid, extract and display the domain (the part after the @ symbol, excluding the symbol itself).

  1. In the validateEmail method, find the index of the @ symbol in the email.
  2. In the validateEmail method, find the index of the first dot (.) symbol in the email.
  3. Check that the @ index is greater than 0, and the dot index is greater than the @ index and less than the length of the email minus 1.
  4. In the extractDomainFromEmail method, find the index of the @ symbol in the ``email`.
  5. Extract and return the substring starting from the character immediately after @ in the extractDomainFromEmail method.
  6. In the main method, trim any leading and trailing spaces from the email string.

Switch to desktopMude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo
Seção 3. Capítulo 7
Switch to desktopMude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo
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