Posts by Luis Gomes • 7 points

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  Q: The difference between the value of a maximum and minimum element of a vector recursively

  I made that code : int difrecursivo(int *vetor,int tam){ if(tam == 1) return vetor[0]; else{ int max = vetor[0]; if(max < vetor[tam-1]) max = vetor[tam-1]; int min = vetor[0]; if(min >…

  c++ recursion

  asked 5 years, 2 months ago Luis Gomes 7

• -2

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  Q: How to implement the strcpy function without using the c++ <string> library?

  I was unable to develop an effective code, since I do not understand the language as I should. It doesn’t leave that part : char *strcopy(char *destination, char *origin)

  c++

  asked 5 years, 3 months ago Luis Gomes 7

• 0

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  Q: How to add objects to a repository class? And how can the user choose the amount of array in which he will add the data?

  Hey, here’s my question. I would like to know how to read the user data in main as follows: I have an array of up to 10 for the user to put the book data, but he can choose less. And another, after…

  java

  asked 5 years, 7 months ago Luis Gomes 7

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  Q: Error:java.lang.Nullpointerexception at user.Mein.main(Mein.java:15)

  Can someone enlighten me a little, is giving error in the line where I start to fill the user array. public Usuario(String nome, String sobrenome, String cargo,int idade,double salario) { this.nome…

  java

  asked 5 years, 8 months ago Luis Gomes 7

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  Q: How to generate sequential ID?

  I’m trying to generate a sequential ID for each user registered on the system, but all users leave with the same ID number generated. public class User { // ... int id=1; public void gerarid() {…

  java

  asked 5 years, 8 months ago Luis Gomes 7