What will the following code snippet output?

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

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

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

What is the result of the expression "Hello".length()?

Which method is used to concatenate two strings?

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

What is the output of the following code?

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

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 find the index of a specific character in a string?

Which symbol is used to perform string slicing?

What is the result of a string slice operation?

What is the output of the following code?

String str = " Hello ";
System.out.println(str.trim());

Which string method is used to check if a string starts with a specified prefix?

Which method is used to convert a string to uppercase?

Which method is used to compare two strings for equality?