1.
Q1: What is the output of the following code?
String temp = "abcde";
System.out.println(temp.length());
- 0
- 4
- 5
- 6
- an error occurs
Section 4.16 Assessment: String methods
Subgoals for using objects (creating instances).
- Declare variable of appropriate class datatype.
- Assign to variable: keyword new, followed by class name, followed by ().
-
Determine whether parameter(s) are appropriate (API)
- Number of parameters
- Data types of the parameters
Exercises Exercises
- 0
- 5
- 6
- -1
- an error occurs
- 0
- 3
- 4
- 6
- 7
- c
- d
- e
- f
- one
- two
- three
- four
- an error occurs
- three
- four
- threefour
- twothreefour
- an error occurs
2.
Q2: What is the output of the following code?
String temp = "abcdefghijklmnopqrstuvwxyz";
System.out.println(temp.indexOf("fgk"));
3.
Q3: What is the output of the following code?
String temp = "catcatcat";
System.out.println(temp.indexOf("cat"));
4.
Q4: What is the output of the following code?
String temp = "abcdefghijklmnopqrstuvwxyz";
System.out.println(charAt.indexOf(3));
5.
Q5: What is the output of the following code?
String temp = "onetwothreefour";
System.out.println(temp.substring(3,6));
6.
Q6: What is the output of the following code?
String temp = "onetwothreefour";
System.out.println(temp.substring(6));
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