String Methods

Question 1

Returns the character of a string based on the specified index.

Answer 1

charAt

Question 2

Compares a string with another string.

Answer 2

compareTo

Question 3

Returns a new string concatenated with the value of the parameter

Answer 3

concat

Question 4

Returns true if this string and the specified string are equal.

Answer 4

equals

Question 5

Returns true if this string and the specified string are equal, considering the uppercase and lowercase versions of a letter to be the same.

Answer 5

equalIgnoreCase

Question 6

Returns the index of the first occurrence of the specified within this string.

Answer 6

indexOf

Question 7

Returns the index of the last occurrence of the specified within this string.

Answer 7

lastIndexOf

Question 8

Returns the length of the string in int type.

Answer 8

length

Question 9

Returns a new string having the same characters as this string, but with any uppercase letters converted to lowercase.

Answer 9

toLowerCase

Question 10

Returns a new string having the same characters as this string, but with any lowercase letters converted to uppercase.

Answer 10

toUpperCase

Question 11

Returns a new string having the same characters as this string, but with each occurrence of specified old_char replaced by new_char.

Answer 11

replace

Question 12

Returns a new string having the same characters as the substring begins at specified start index through the end of the string.

Answer 12

substring(start_index)

Question 13

Returns anew string having the same characters as the substring that begins at specified index start through to but not including the character at index end.

Answer 13

substring(start, end)

Question 14

Returns a new string having the same characters as this string, but with leading and trailing whitespace removed.

Answer 14

trim