Java Programming - Java Strings Questions and Answers
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Java Programming : Java Strings
Java Programming Questions and answers on String in the form of MCQ. Each Question have 4 options with one correct answer.
1. String is an________
Answer: A. class
2. import myLibrary.*;
public class ShowSomeClass
{
// code for the class...
}
What is the name of the java file containing this program?
public class ShowSomeClass
{
// code for the class...
}
What is the name of the java file containing this program?
Answer: B. ShowSomeClass.java
3. Consider the following code snippet
String river = new String('Columbiaâ€);
System.out.println(river.length());
What is printed?
String river = new String('Columbiaâ€);
System.out.println(river.length());
What is printed?
Answer: C. 8
4. : If s = "text", what is the value returned by s.length()?
Answer: A. 4
5. What is the difference between a TextArea and a TextField?
Answer: A. A TextArea can handle multiple lines of text
6. Given the following code fragment:
int A[];
int i = 0;
A = new int A[4];
while (i < 4)
{
A[i] = 10;
i = i + 1;
}
What is the value of A[3]?
int A[];
int i = 0;
A = new int A[4];
while (i < 4)
{
A[i] = 10;
i = i + 1;
}
What is the value of A[3]?
Answer: C. 10
7. Given the following statement:
huey.setDouble(8.0*32.2+1.0);
What must be the data type of huey?
huey.setDouble(8.0*32.2+1.0);
What must be the data type of huey?
Answer: A. Double Field
8. : A compound statement is:
Answer: A. A collection of one or more statements enclosed in braces
9. Which of these method of String class is used to obtain character at specified index?
Answer: D. charAt()
10. Which of these method of String class can be used to test to strings for equality?
Answer: D. equals()
Are these questions helpful for you?
Comments: (Your feedback is valuable to us)
Kachru 5 months ago Reply
Just use less
Mido 1 year ago Reply
q 12 should compile!
Sanket Ghodke 1 year ago Reply
good one
M S REVATHI 1 year ago Reply
good job
yogesh rawat 2 years ago Reply
Nothing
Debjit Rowdian Banerjee 2 years ago Reply
eferwere
alpesh sakhanpara 2 years ago Reply
Lokgcf