for loop ++i or i++ code example

Example 1: ++i vs i++ java

int i = 3;
int a = i++; // a = 3, i = 4
int b = ++a; // b = 4, a = 4

Example 2: ++i vs i++ java

int a = 0;
int b = a++; // b = 0; a = 1

a = 0;
b = ++a: // b = 1; a = 1

Example 3: for loop in c++

for ( int i = 0; i < 5; i++)
{
  cout << "Hello" << endl;
}
// prints hello 5 times.

Example 4: for loop in c++

for (int i = 0; i < 10; i++)
    {
        cout << i << endl;
    }