Java MCQ Test on Control Statements

Which of these are selection statements in Java?

• if

• for

• continue

• break

Which of the following loops will execute the body of loop even when condition controlling the loop is initially false?

• while

• for

• do-while

• nested loops

Which of this statement is incorrect?

• switch statement is more efficient than a set of nested ifs

• two case constants in the same switch can have identical values

• switch statement can only test for equality, whereas if statement can evaluate any type of boolean expression

• it is possible to create a nested switch statements

What will be the output of the following Java program?

• 5

• 6

• 14

• compiletime error

What will be the output of the following Java program?

• 5 10

• 10 5

• 5

• 10

What would be the output of the following code snippet if variable a=10?

• 1 2

• 2 3

• 1 3

• 3

What is true about do statement?

• do statement executes the code of a loop at least once

• do statement does not get execute if condition is not matched in the first iteration

• do statement checks the condition at the beginning of the loop

• do statement executes the code more than once always

Which of the following is not a decision making statement?

• if

• if-else

• swtich

• for

What is the valid data type for variable “a” to print “Hello World”?

1. 
   

• int and float

• float and char

• int and double

• byte and char

Which of the following is used with the switch statement?

• continue

• break

• return

• goto