Types quiz

Given

int[] nums

nums[i]

int

nums.length

int

Given

String s

s.length()

int

s.indexOf("x")

int

s.substring(i, i + 1)

String

s.equals("foo")

boolean

s != null

boolean

s.substring(s.indexOf("x"))

String

Given

ArrayList<String> strings

strings.size()

int

strings.get(i)

String

strings.get(i).length()

int

strings.get(i).substring(1)

String

strings.get(i).indexOf("x")

int

strings.get(i).equals("x")

boolean

Given

String[] strings

strings.length

int

strings[i]

String

strings[i].length()

int

strings[i].substring(1)

String

strings[i].indexOf("x")

int

strings[i].equals("x")

boolean

Given

String[][] grid

grid.length

int

grid[i]

String[]

grid[i].length

int

grid[i][j]

String

grid[i][j].length()

int

grid[i][j].substring(1)

String

grid[i][j].indexOf("x")

int

grid[i][j].equals("x")

boolean

Given

ArrayList<String[]> table

table.size()

int

table.get(i)

String[]

table.get(i).length

int

table.get(i)[j]

String

table.get(i)[j].length()

int

table.get(i)[j].substring(1)

String

table.get(i)[j].indexOf("x")

int

table.get(i)[j].equals("x")

boolean