what does a question mark do in java code example

Example 1: what does question mark mean in java

boolean statement ? true result : false result;

/*
For example, if we take this if statement:
*/
if (a > b) {
    result = x;
} else {
    result = y;
}
// can be also writen:
result = a > b ? x : y;

Example 2: java question mark operator

//ternary operator
// takes in a conditional statement
// a is returned when the condition is true and vice versa
return (a == b) ? a : b;

int n = (a < b) ? a + 10: b;