Archief - C++ Netbeans undefined reference

#include <iostream>
#include "ArrayList.h"
using namespace std;

int main(int argc, char** argv) {
    ArrayList<double> l;

    return 0;
}

#ifndef _ARRAYLIST_H
#define	_ARRAYLIST_H

template <class T>
class ArrayList {
    public:
        ArrayList();
        ArrayList(int capacity);

        int capacity() const;
        int size() const;

        void add(T x);
        T get(int i) const;
        void set(int i, T x);
        void clear();

        bool is_empty() const;
        void schrijf(char delimiter) const;

    private:
        int m_capacity;
        int m_size;
        T* data;
};

#endif

#include <iostream>
#include "ArrayList.h"

template <class T>
ArrayList<T>::ArrayList() {
    m_capacity = 10;
    m_size = 0;

    data = new T[m_capacity];
}

template <class T>
ArrayList<T>::ArrayList(int capacity) {
    if(capacity <= 0) {
        throw "Capaciteit moet groter zijn dan 0!";
    }

    m_capacity = capacity;
    m_size = 0;

    data = new T[m_capacity];
}

template <class T>
int ArrayList<T>::capacity() const {
    return m_capacity;
}

template <class T>
int ArrayList<T>::size() const {
    return m_size;
}

template <class T>
void ArrayList<T>::add(T x) {
    if(m_capacity == m_size) {
        m_capacity *= 2;

        T* arr = new T[m_capacity];

        for(int i=0; i<m_size; i++) {
            arr[i] = data[i];
        }

        delete[] data;
        
        data = arr;
    }

    data[m_size] = x;

    ++m_size;
}

template <class T>
T ArrayList<T>::get(int i) const {
    if(i < 0 || i >= m_size) {
        throw "Array index out of bounds!";
    }

    return data[i];
}

template <class T>
void ArrayList<T>::set(int i, T x) {
    if(i < 0 || i >= m_size) {
        throw "Array index out of bounds!";
    }

    data[i] = x;
}

template <class T>
void ArrayList<T>::clear() {

}

template <class T>
bool ArrayList<T>::is_empty() const {
    return m_size==0;
}

template <class T>
void ArrayList<T>::schrijf(char delimiter=' ') const {
    for(int i=0; i<m_size-1; i++) {
        std::cout << data[i] << delimiter;
    }

    std::cout << data[m_size-1];
}

/usr/bin/make -f nbproject/Makefile-Debug.mk SUBPROJECTS= .build-conf
make[1]: Map '/home/sam/NetBeansProjects/CppApplication_1' wordt binnengegaan
/usr/bin/make  -f nbproject/Makefile-Debug.mk dist/Debug/GNU-Linux-x86/cppapplication_1
make[2]: Map '/home/sam/NetBeansProjects/CppApplication_1' wordt binnengegaan
mkdir -p build/Debug/GNU-Linux-x86
rm -f build/Debug/GNU-Linux-x86/ArrayList.o.d
g++    -c -g -MMD -MP -MF build/Debug/GNU-Linux-x86/ArrayList.o.d -o build/Debug/GNU-Linux-x86/ArrayList.o ArrayList.cpp
mkdir -p dist/Debug/GNU-Linux-x86
g++     -o dist/Debug/GNU-Linux-x86/cppapplication_1 build/Debug/GNU-Linux-x86/ArrayList.o build/Debug/GNU-Linux-x86/main.o  
build/Debug/GNU-Linux-x86/main.o: In function `main':
/home/sam/NetBeansProjects/CppApplication_1/main.cpp:16: undefined reference to `ArrayList<double>::ArrayList(int)'
collect2: ld returned 1 exit status
make[2]: *** [dist/Debug/GNU-Linux-x86/cppapplication_1] Fout 1
make[2]: Map '/home/sam/NetBeansProjects/CppApplication_1' wordt verlaten
make[1]: *** [.build-conf] Fout 2
make[1]: Map '/home/sam/NetBeansProjects/CppApplication_1' wordt verlaten
make: *** [.build-impl] Fout 2
BUILD FAILED (exit value 2, total time: 180ms)

template <class T>
ArrayList<T>::ArrayList(int capacity=10) {
    if(capacity <= 0) {
        throw "Capaciteit moet groter zijn dan 0!";
    }

    m_capacity = capacity;
    m_size = 0;

    data = new T[m_capacity];
}