Method Names

Question 1

What does name.substring(int start, int end) do?

Answer 1

Returns a copy of the string between the start (inclusive) and end (exclusive) index

Question 2

What does name.substring(int start) do?

Answer 2

Returns a copy of the string starting from start up until the end.

Question 3

What does name.equals(Object another) do?

Answer 3

Returns true/false based off of content

Question 4

What does name.length() do?

Answer 4

Returns the number of characters in the string including spaces, tabs, and line breaks.

Question 5

What does name.compareTo(String another) do?

Answer 5

It compares two strings using <, >, and =.

Question 6

What does name.charAt(int index) do?

Answer 6

It returns the character at the index position.

Question 7

What does name.indexOf(“substr”) do?

Answer 7

It returns the index of the first occurrence of the specified substring. If there is no occurrence, -1 is returned.

Question 8

What does String.valueOf() do?

Answer 8

Converts any int into String.

Question 9

What does Integer.parseInt(“454”) do?

Answer 9

Converts the string argument into an integer.

Question 10

What does Math.pow(x, y) do?

Answer 10

Returns x^y

Question 11

What does Arrays.toString(arrayName) do?

Answer 11

Converts an array to string.