AP Computer Science A Question of the Day

public boolean contains(int[] arr, int val) {

for(int i = 0; i < arr.length; i++) {

if(arr[i] == val) {

return true;

}

}

return false;

}

public boolean contains(int[] arr, int val) {

for(int i = 0; i < arr.length; i++) {

if(arr[i] != val) {

return false;

}

}

return true;

}

public boolean contains(int[] arr, int val) {

boolean success;

for(int i = 0; i <= arr.length; i++) {

if(arr[i] == val) {

success = true;

} else {

success = false;

}

}

return success;

}

public int contains(int[] arr, int val) {

int success = -1;

for(int i = 0; i < arr.length; i++) {

if(arr[i] == val) {

success = val;

}

}

return success;

}

None of the other answers is correct