Java String Quiz

What is the type of objects that can store a sequence of characters in Java?

Which operator is used for both addition and concatenation in Java?

How do you create a string using the new keyword in Java?

What escape character is used to insert a double quote in a string?

What will be the result of the following code:

String x = "50";

int y = 20;

String z = x + y;

Which escape sequence represents a new line in Java?

What will be the output of the following code:

String str = "Hello";

System.out.println(str.length());

What will be the output of the following code:

String str = "Java";

System.out.println(str.charAt(2));

Which method is used to find the index of a character in a string?

What will be the output of the following code:

String str = "World";

System.out.println(str.substring(1, 4));