JAVA CONCEPTS

Important Java Mcq 1

How many times will the following code print “Welcome to Java”?

int count = 0;
while (count < 10) {
    System.out.println("Welcome to Java");
    count++;

}

a. 13

b. 12

c. 11

d. 10

Answer:

d. 10

Explanation:

The value of count is getting incremented by 1 every time starting from 0 till it reaches 10 which would lead to 10 print statements.

What is byte code in the context of java?

a. The type of code generated by the java compiler b. The type of code generated by the Java virtual machine c. It is another

Which of the following is true regarding method overriding?

a. An overridden method advocates for inheritance in OOP. b. A method in the subclass that has the same name, same arguments, and same return

Which statement is true about Java?

a) Java is a sequence-dependent programming language b) Java is a code dependent programming language c) Java is a platform-dependent programming language d) Java is

In Java all output uses the ______ data type.

a. int b. scan c. String d. double e. char Answer: c. String Explanation: In Java, String is the data type for all outputs.