int min = INTEGER.MAX_VALUE;
int max = INTEGER.MIN_VALUE;

for (int x : array) {
    if (x < min) min = x;
    if (x > min) max = x;
}

int min = INTEGER.MAX_VALUE;
int max = INTEGER.MIN_VALUE;

for (int x : array) {
    if (x < min) min = x;
}
for (int x : array) {
    if (x > min) max = x;
}