Java Programming Quiz Online

Who developed Java Language?

Java has compiler name as –

What will be the output of the following Java code?

class test {
public static void main(String args[])
{
int x = 3;
System.out.print(++x * 5);
}
}

Which data type value is returned by all transcendental math functions?

What is byte code in the context of Java?

The java run time system automatically calls this method while garbage collection –

What is the output of the following code:
class test
{
public static void main(String args[])
{
String s1 = “Hello”;
String s2 = new String(s1);
System.out.println(s1==s2);
}
}

In java, objects are passed as –

What is the output of the following code:

int a = 2, b = 3, c = 4, d = 5;
float k = 4.3f;
System.out.println( -b * a + c *d );

What is the range of the char type in Java?

What is the value of a[3] as the result of the following array declaration?

What is the value of 111 % 13?

What is the error in the following class definitions?
Abstract class temp
{
abstract sum (int x, int y) { }
}

Given a class named student, which of the following is a valid constructor declaration for the class?

In Java, A package is a collection of –

In OOP, new classes can be defined by extending existing classes are called –

File class is included in which package?

Most restrictive access specifier in Java –

String s1 = ” yes” ;
String s2 = ” yes ” ;
String s3 = new String ( s1);
Which of the following would equate to true?

The output of this program is –
public class Test {
public static void main (String args []) {
int age;
age = age + 1;
System.out.println(“The age is ” + age);
}
}