Coding Test

WORA (Write Once Run Anywhere) concept is followed by one of the feature of Java

• Robust

• Case sensitive

• Portable / Platform Independent

• Object Oriented

• Simple & secure

____________ contains Packages (in-built functions) which can be imported in our program.

• JRE (Java Runtime Environment)

• JCL (Java Class Library)

• BlueJ

• Java Applets

_________ is the controlling method of a Java program

• main( )

• Main( )

• class

• object

____________ includes tools like Compiler, Interpreter, Java libraries, etc.

• JDK

• BlueJ

• JRE

• Java Application

Write a java program to check if the given number is a prime or not.

Write a java program to check whether a person of that particular age is eligible for marriage or not.

( If the person is female, she is eligible for marriage only after the age of 18. But if the person is a male, then he is eligible only after 21.)

Find the output of the following:-

int sum=0, n=10;

for( int i=n; i>=1; -- i)

{ sum= sum+ i; }

System.out.println(" Sum is "+ sum) ;

• 55

• 10

• 28

• 50

Write a simple java program to count the number of vowels in the given word: Onomatopoeia

Write a simple java program to check whether the given number is a consonant or not. If the number is consonant then multiply it by 2 otherwise divide it by 2.

Find the error in the below program and tell why is it an error?

class Main

{ public static void main(String[] args)

{ int sum =0, n= 1000, i;

for (int i = 1; i <= n; ++i)

{ sum = sum+ i; }

System.out.println("Sum = " + Sum);