Programmers at War
Programmers at War Quiz
Test your programming knowledge with our engaging quiz designed for developers of all levels! With 10 challenging questions, you'll encounter a mix of Java fundamentals, coding concepts, and best practices.
Are you ready to put your skills to the test? Here are some features of our quiz:
- Multiple choice questions
- Immediate feedback on your answers
- Learn and improve your coding skills
What will be printed as the output of the following program?
public class testincr
{
public static void main(String args[])
{
int I = 0;
i = i++ + I;
System.out.println(“I = ” +i);
}
}
What is the output of the following program:
public class testmeth
{
static int I = 1;
public static void main(String args[])
{
System.out.println(i+” , “);
m(i);
System.out.println(i);
}
public void m(int i)
{
i += 2;
}
}
Consider the following code fragment
Rectangle r1 = new Rectangle();
r1.setColor(Color.blue);
Rectangle r2 = r1;
r2.setColor(Color.red);
After the above piece of code is executed, what are the colors of r1 and
r2 (in this order)?
Consider the two methods (within the same class)
public static int foo(int a, String s)
{
s = “Yellow”;
a=a+2;
return a;
}
public static void bar()
{
int a=3;
String s = “Blue”;
a = foo(a,s);
System.out.println(“a=”+a+” s=”+s);
}
public static void main(String args[])
{
bar();
}
What is printed on execution of these methods?
What is the output of this program?
import java.awt.*;
import java.applet.*;
public class myapplet extends Applet
{
Graphic g;
g.drawString("A Simple Applet", 20, 20);
}
What is the output of this program?
class selection_statements
public static void main(String args[])
{
int var1 = 5;
int var2 = 6;
if ((var2 = 1) == var1)
System.out.print(var2);
else
System.out.print(++var2);
}
}
What will this code print?
int arr[] = new int [5]; System.out.print(arr);