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String Work Sheet

Last updated almost 2 years ago

44 questions

1

Question 40

40.

To which package does String belong?

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Question 41

41.

Explain method String substring(int beginIndex, int endIndex) and what it returns?

Question 42

42.

Explain method int indexOf(String str) and what it returns?

Question 43

43.

Explain method int length() and what purpose it serves?

Question 44

44.

How many indexOf methods does the String have? Define the term overloading. Is the String indexOf method overloaded?

DIRECTIONS :  Fill in each blank with the correct answer/output.  Assume each statement happens in order and that one statement may affect the next statement.

String one = "sambenwilearethebest";
String two = "09876543210";
String three = "02 13 97 68 45 0";

Question 1

1.

System.out.print( one.length());

Question 2

2.

System.out.print( two.length());

Question 3

3.

System.out.print( three.length());

Question 4

4.

System.out.print( one.charAt( 2 ) );

Question 5

5.

System.out.print( one.charAt( 5 ));

Question 6

6.

System.out.print(one.charAt(one.length()-1));

Question 7

7.

System.out.print( one.charAt( 6 ) );

Question 8

8.

System.out.print( one.substring(0,4) );

Question 9

9.

System.out.print( one.substring(5) );

Question 10

10.

System.out.print( one.substring(9) );

Question 11

11.

System.out.print( one.substring(2,7));

Question 12

12.

System.out.print( one.indexOf("abc") );

Question 13

13.

System.out.print( one.indexOf("e") );

Question 14

14.

System.out.print( one.indexOf("hij") );

Question 15

15.

System.out.print( two.indexOf("54"));

Question 16

16.

System.out.print( two.indexOf("24"));

Question 17

17.

System.out.print( one.indexOf( 'w' ));

Question 18

18.

System.out.print( two.indexOf( 'b' ));

Question 19

19.

System.out.print( two.indexOf( 's' ));

Question 20

20.

System.out.print( three.indexOf("45"));

DIRECTIONS :  Fill in each blank with the correct answer/output.  Assume each statement happens in order and that one statement may affect the next statement.
String sam = "hey there";
String ben = "hey thar";

Question 21

21.

out.println( sam.indexOf('h') );

Question 22

22.

out.println( sam.indexOf('7') );

Question 23

23.

out.println( ben.indexOf('a') );

Question 24

24.

out.println( ben.indexOf( 'y' ));

Question 25

25.

out.println( sam.indexOf("ey") );

Question 26

26.

out.println( ben.indexOf("ar") );

Question 27

27.

out.println( sam.charAt(3) );

Question 28

28.

out.println( sam.charAt(0) );

Question 29

29.

out.println( sam.substring(3,6) );

Question 30

30.

out.println( sam.substring(0,4) );

Question 31

31.

out.println( sam.equals(ben) );

Question 32

32.

out.println( sam.compareTo(ben) );

Question 33

33.

out.println( ben.compareTo(sam) );

Question 34

34.

out.println( ben.compareTo("abc") );

Question 35

35.

out.println( ben.replaceAll("e","#") );

Question 36

36.

out.println( ben.replaceAll("#","*") );

Question 37

37.

out.println( ben.length() );

Question 38

38.

out.println( sam.length() );

Question 39

39.

out.println( sam.charAt(20) );