Which string method is used to remove leading and trailing whitespace from a string?

Which method is used to check if a string contains a specified sequence of characters?

Which of the following statements is true about the 'replace' method?

What is the result of a string slice operation?

Which string method is used to split a string into an array of substrings?

What does string slicing do?

Which method is used to compare two strings for equality?

Which string method is used to find the index of a substring within a string?

Which string method is used to convert a string to uppercase?

What is the output of the following code?

String str = "Hello World!";
System.out.println(str.substring(6, 11));

What is the output of the following code?

String str = "Hello";
System.out.println(str.replace("l", "L"));

Which method is used to concatenate two strings?

What is the purpose of the join() method in Python?

What will the following code snippet output?

string = 'Hello, world!'
new_string = string.replace('o', 'a', 2)
print(new_string)

What will the following code snippet output?

str = "Hello World!";
print(str.substring(6));