Quiz Complete, well Done!
Which method is used to concatenate two strings?
What is the output of the following code?
String str = "Hello World!";
System.out.println(str.substring(6, 11));
Which method is used to find the index of a specified character within a string?
Start index
What will the following code snippet output?
string = 'Hello, world!'
new_string = string.replace('o', 'a', 2)
print(new_string)
Which string method is used to split a string into an array of substrings?
The length of a string can be determined using the
function.
If you omit the end index, it defaults to the
of the string.
What is the purpose of the join() method in Python?
Replacing
Which string method is used to find the index of the first occurrence of a substring within a string?
If you omit the start index, it defaults to
.
The
method returns the index of the first occurrence of a specified substring.
String slicing can be helpful when manipulating and extracting
from strings.
What is the result of a string slice operation?
Which method is used to compare two strings for equality?
Which string method is used to remove leading and trailing whitespace from a string?
What is the output of the following code?
String str = " Hello ";
System.out.println(str.trim());
String Manipulation
The replace() method in Python is used to
a specified phrase with another specified phrase.