Java String Flashcard

Front

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

Back

String

Front

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

Back

+

Front

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

Back

String str = new String("");

Front

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

Back

\"

Front

What will be the result of the following code: String x = "50"; int y = 20; String z = x + y;

Back

5020

Front

Which escape sequence represents a new line in Java?

Back

\n

Front

What will be the output of the following code: String str = "Hello"; System.out.println(str.length());

Back

5

Front

What will be the output of the following code: String str = "Java"; System.out.println(str.charAt(2));

Back

v

Front

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

Back

indexOf()

Front

What will be the output of the following code: String str = "World"; System.out.println(str.substring(1, 4));

Back

orl