MCQEasy1 mark
1
Choose the correct answers to the questions from the given options. (Do not copy the questions, write only the correct answers.)
The number of values that a method can return is:
Topic: Return values
Previous-year question practice database
Try it
Pick an option and check your answer. The full worked answer is below either way.
Answer
Exam answer
(a) 1.
Explanation
A Java method returns at most one value, because there is a single return type in its signature. If several results are needed, the usual ways round it are to return an array, to return an object holding the values, or to update instance variables. A method that returns nothing is declared void.
In words
1.
More from User-Defined Methods
In the following method prototype to accept a character, an integer and return YES or NO, fill in the blank to complete the method prototype.
public __________ someMethod(char ch, int n)2026In a calculator which Java feature allows multiple methods named calculate() for the different operations?2026The following program segment calculates and displays the factorial of a number. [Example: Factorial of 5 is 1 x 2 x 3 x 4 x 5 = 120]
int p, n = 5, f = 0;
for(p = n; p > 0; p--)
f *= p;
System.out.println(f);
Name the type of error if any; correct the statement to get the desired output.2026Define a class to overload the method format as follows:
void format() - To print the following pattern using Nested for loops only:
1 2 3 4 5
2 3 4 5
3 4 5
4 5
5
int format(String s) - To calculate and return the sum of ASCII codes of each character of the String.
Example: CAB
Output: 67 + 65 + 66 = 198
void format(int n) - To calculate and display the sum of natural numbers up to n given by the formula n(n + 1) / 2.2026Which of the following pairs of methods will cause a compile-time error due to incorrect method overloading?2025Consider the following program segment in which the statements are jumbled. Choose the correct order of statements to calculate and return the factorial of 4.
1. for(k = 1; k <= 4; k++)
2. return fa;
3. long fa = 1, k;
4. fa *= k;2025