JAVA STRINGS

String word = "A few good men";
What is word.length()?

• 14
• 15
• 13

String word = "A few good men";
What is word.charAt(7) ?

• o
• g
• 7
• good men

String word = "A few good men";
What is word.indexOf(“f”)?

• 2
• 0
• 1
• -1

String word = "A few good men";
What is word.indexOf(“f”)?

• 2
• 0
• 1
• -1

String word = "A few good men";
What is word.indexOf(“bad”)?

• 0
• -1
• 3

String word = "A few good men";
What is word.substring(3, 7) ?

• ew g
• ew go
• few
• few[space]

Which of the following is NOT a primitive data type?

• double

• float

• boolean

• String

What would be output by the following program segment?

String n1 = "Samuel";

String n2 = "Samantha";

System.out.print(n1.compareTo(n2);

• false

• true

• a positive number, 20

• a negative number, -20

String txt = "Hello World";

System.out.println(txt.toUpperCase());

Choose the correct output.

• "HELLO WORLD"

• HELLO WORLD

• Hello world

• Hello World

String firstName = "John ";

String lastName = "Doe";

System.out.println(firstName.concat(lastName));

Guess the output.

• John.concat(Doe)

• John Doe

• JohnDoe

• "John Doe"