C++ Tutorial Index

C++ Tutorial C++ History C++ Installation C++ First Program C++ cin and cout C++ Data type C++ Variable C++ operator C++ Keywords

C++ Control Statements

C++ If C++ Nested if C++ If-else C++ If-else-if C++ Switch C++ Break C++ Continue C++ Goto C++ For loop C++ While loop C++ Do while loop

C++ Functions

C++ Call by Value C++ Call by Reference C++ Recursion Function C++ Inline function C++ Friend function

C++ Arrays

Single dimension array Two dimension array

C++ Strings

C++ Strings

C++ Inheritance

C++ Inheritance Single level Inheritance Multilevel Inheritance Multiple Inheritance Hierarchical Inheritance Hybrid Inheritance

C++ Polymorphism

C++ Polymorphism C++ Overloading C++ Overriding C++ Virtual Function

C++ Pointers

C++ Pointers C++ this pointer

C++ Exception Handling

C++ Exception Handling

C++ Constructors

C++ Constructors Default Constructor Parameterize Constructor Copy constructor Constructor Overloading Destructor

C++ File Handling

C++ File Handling C++ Writing to file C++ Reading file C++ Close file


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Programs to Print Pyramid Patterns in C++ swap() function in C++ Structure of C++ Program Stringstream in C++ and its applications rand() and srand() in C / C++ C++ Ternary Operator C++ Scope of Variables While Loop Examples in C++ Star pattern in C++ using For Loops For Loop Examples in C++ Do-While Loop Examples in C++ Top 5 IDEs for C++ That You Should Try Once Assertions in C/C++ C++ Convert Int to String Continue in C++ While loop Diamond Pattern in C++ using For Loop How to Reverse a String in C++ using Do-While Loop How to Reverse a String in C++ using For Loop How to Reverse a String in C++ using While Loop Infinite loop in C++ Loops in C++ Returning Multiple Values from a Function using Tuple and Pair in C++ wcscpy(), wcslen(), wcscmp() Functions in C++ Auto keyword in C++ C++ 11 vs C++ 14 vs C++ 17 C++ STL (Standard Template Library) Differences Between C Structures and C++ Structures Divide by Zero Exception in C++ Dynamic Constructor in C++ Dynamic Memory Allocation in C++ Find the Size of Array in C/C++ without using sizeof() function Floating Point Operations and Associativity in C, C++ and Java Hello World Program in C++ How to create a table in C++ How to Setup Environment for C++ Programming on Mac Implementation of a Falling Matrix in C++ Message Passing in C++ Pointer to Object in C++ Templates in C++ vs Generics in Java Ways to Copy a Vector in C++ What does Buffer Flush mean in C++ sort() function in C++ Structure Sorting (By Multiple Rules) in C++ Similarities between C++ and Java std::distance in C++ Array program in C++ C++ Tricks for Competitive Programming Desired Capabilities in Selenium Web Driver in C++ Socket Programming in C++ Template Specialization in C++ Classes and Objects in C++ Convex hull Algorithm in C++ DES in C++ C++ vardiac() function Difference between Two Sets in C++ Difference between Exit and Return Structured Binding in C++ Differences between Local and Global Variable Bitwise Operator vs Logical Operator Difference 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Templates in C++ vs Generics in Java

As the title suggests, there is no rivalry or there is no cut comparison between generics and templates in Java and C++, respectively. The main aim of this article is to introduce you all to Generics in java and templates in C++.

While we are building some large-scale projects in organizations, we have a requirement that they have to be compatible with any input or any real-time test case that a user of the end application, whether it is in the form of a website or an application which is Android or IOS be it has to be universal to take any input to perform necessary job or function which it is assigned to do and give us a result applicational success.

Generics in Java or Templates in C++ essentially mean the same they support universal functionality with differing in very few cases; these are explained straightforwardly in the below code covering two different principles for each.

The C++ programming language requires us to template the sources to be added in their header places. While the Generics in Java programming language, when applied in a particular type of class then it will essentially get to be applied to the classes and the methods within that class.

C++ code (Templates-1)

//This is the C++ program we have written to   
//to illustrate and demonstrate the Templates use case along with outputs
#include <iostream>
#include <string.h>
using namespace std;
template <class Bh>
class temp_class {
    Bh value;
    temp_class(Bh item)
        value = item;
    Bh getValue()
        return value;
int main()
    class temp_class<string>* String = 
      new temp_class<string>("Game between generics vs templates here ");
    cout << "Output Values: " << String->getValue() 
         << "\n";
    class temp_class<int>* integer = new temp_class<int>(19);
    cout << "Output Values: " << integer->getValue();


Output Values: Game between generics vs templates here 
Output Values: 19

Java code (Generics-1)

//This is the java program we have written to   
//to illustrate and demonstrate the Templates use case along with outputs
public class GenericMethodTest {
   //here we are passing generic method printArray
   public static < E > void printArray( E[] inputArray ) {
      //here we are passing display array elements
      for(E element : inputArray) {
         System.out.printf("%s ", element);
   public static void main(String args[]) {
      // here we are creating arrays of Integer, Double and Character
      Integer[] int_Array = { 211, 32, 73, 84, 765 };
      Double[] double_Array = { 11.21, 52.2, 73.3, 744.24 };
      Character[] char_Array = { 'D', 'U', 'N', 'I', 'A' };
      System.out.println("Here the Array integerArray contains:");
      printArray(int_Array); //here we are passing an integer array
      System.out.println("\nHere the Array doubleArray contains:");
      printArray(double_Array); //here we are passing a Double array
      System.out.println("\nHere the Array characterArray contains:");
      printArray(char_Array); //here we are passing a Character array


Here the Array integerArray contains:
2113273 84 765 

Here the Array doubleArray contains:
11.2152.2 73.3 744.24 

Here the Array characterArray contains:
D U N I A 

C++ code (Templates-2)

//This is the C++ program we have written to   
//to illustrate and demonstrate the Templates use case along with outputs
#include <iostream>
#include <string>
using namespace std;
template <typename Bh>
inline Bh const& Max (Bh const& a, Bh const& b) {
   return a < b ? b:a;
int main () {
   int hi = 239;
   int bye = 120;
   cout << "Max(hi, bye): " << Max(hi, bye) << endl;
   double f1 = 113.50;
   double f2 = 120.722;
   cout << "Max(f1, f2): " << Max(f1, f2) << endl;
   string s1pro = "Hello";
   string s2pro = "Duniya";
   cout << "Max(s1pro, s2pro): " << Max(s1pro, s2pro) << endl;
   return 0;


Max(hi, bye): 239
Max(f1, f2): 120.722
Max(s1pro, s2pro): Hello

Java code (Generics-2)

class Main_here {
  public static void main(String[] args) {

    // initialize generic class
    // with Integer data
    generics_class<Integer> int_Obj = new generics_class<>(15);
    System.out.println("generic class returns: " + int_Obj.getData());
    // initialize generic class
    // with String data
    generics_class<String> stringObj = new generics_class<>("Java Programming language is awesome");
    System.out.println("generic class returns: " + stringObj.getData());

// create a generics class
class generics_class<bTs> {

  // variable of T type
  private bTs data;

  public generics_class(bTs data) {
    this.data = data;

  // method that return T type variable
  public bTs getData() {
    return this.data;


generic class returns: 15
generic class returns: Java Programming language is awesome