What does two equal signs mean

Answer 1

They mean comparation.

One is assignament.

Two is to compare the values.

int a =2;
int b = 2;

if (a == b) //this is true, so it will do the code inside the IF
{
//code
}

Answer 2

Two equal to signs are relational operators which are used to find if the two operands are equal or not.It returns a boolean value i. e,true or false.