16 Questions
What is the purpose of the break statement in a switch statement?
To terminate the current case statement and prevent the execution of the remaining case statements
Which of the following is a valid switch-expression in a switch statement?
A character, byte, short, or integer expression
What is the purpose of the default case in a switch statement?
To execute the statements if none of the specified case statements match the switch-expression
Which of the following is a valid case statement in a switch statement?
case 'a': ...
Int number = 18; console.log("The result is: " + ((number % 2 == 0) ^ (number % 3 == 0)));
The number is even and divisible by 3
What is the purpose of the switch statement in programming?
To handle multiple conditions with a single expression
What is the purpose of the break statement in a switch statement?
To exit the switch statement and continue to the next line of code
What is the purpose of the default case in a switch statement?
To execute a set of statements if none of the case values match the switch expression
In the code switch (day) { case 1: case 2: case 3: case 4: case 5: System.out.println("Weekday"); break; case 0: case 6: System.out.println("Weekend"); }, what will be the output if day is 2?
Weekday
In the code switch (day) { case 1: case 2: case 3: case 4: case 5: System.out.println("Weekday"); break; case 0: case 6: System.out.println("Weekend"); }, what will be the output if day is 3?
Weekday
What is the purpose of the conditional operator (?:) in Java?
To assign a value to a variable based on a condition
What is the purpose of the else clause in an if-else statement?
To execute a different set of statements if the if condition is false
Which of the following is the correct syntax for a two-way if-else statement in Java?
if (boolean-expression) { statement(s)-for-the-true-case; } else { statement(s)-for-the-false-case; }
What is the purpose of the else if statements in a multiple alternative if statement?
To provide additional conditions to be evaluated if the previous if or else if conditions are false
In a multi-way if-else statement, how are the conditions evaluated?
The conditions are evaluated in the order they are written, and the first true condition is executed
What is the output of the following code when the score variable is 70.0?
C
Test your knowledge on type casting, operators, and object-oriented programming techniques. Learn about implicit and explicit casting, type widening, type narrowing, and the usage of operators in Java programming language.
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