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- 1. Multiple Choice
int len = "jump it!".length();
What is the value of len?
8
7
9
6
This code does not compile.
- 2. Multiple Choice
int x = "quarantine".indexOf("a");
What is the value of x?
4
3
2
This code does not compile.
StringIndexOutOfBoundsException
- 3. Multiple Choice
String s = "whatever".substring(1,4);
What is the value of s?
"hate"
"hat"
"whate"
"what"
StringIndexOutOfBoundsException
- 4. Multiple Choice
String s1 = "hello";
String s2 = new String("hello");
if (s1 == s2) System.out.print("Hey");
else System.out.print("Yo");
What is the output?
Hey
Yo
There is no output.
This code will not compile.
- 5. Multiple Choice
int p = "Go Paw Patrol!".indexOf("p");
What is the value of p?
0
4
3
-1
This code will not compile.
- 6. Multiple Choice
String s = "cool cat".substring(6);
What is the value of s?
"cat"
"at"
"cool c"
This code does not compile.
StringIndexOutOfBoundsException
- 7. Multiple Choice
int x = "Mary".compareTo("Molly");
if (x>=0) System.out.print("Yes");
else System.out.print("No");
What is the output?
Yes
No
There is no output.
This code will not compile.
- 8. Multiple Choice
String s1 = "goat";
String s2 = s1.substring(0,s1.length());
boolean z = s1.equals(s2);
What is the value of z?
true
false
This code will not compile.
StringIndexOutOfBoundsException
- 9. Multiple Choice
String s = "good job".substring(3, 9);
What is the value of s?
"d job"
"od job"
"d jo"
"od jo"
StringIndexOutOfBoundsException
- 10. Multiple Choice
int x = "bob".compareTo("Bob");
if (x>=0) System.out.print("Good");
else System.out.print("Bad");
What is the output?
Good
Bad
There is no output.
This code will not compile.
- 11. Multiple Choice
Which code segment should go in the blank so that count is equal to the number of times "whoa" occurs in str?
str.length() -2
str.length() -4
str.length() - 3
str.length() - 1
str.length()
- 12. Multiple Choice
Which code segment should go in the blank so that count is equal to the number of times "whoa" occurs in str?
pos>0
pos>=0
pos<0
pos<=0
pos==0
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