JAVA FUNDAMENTALS ASSESSMENT 1

What will be the output of the following Java program?

class Output {

public static void main(String args[]) {

int a = 1;

int b = 2;

int c;

int d;

c = ++b;

d = a++;

c++;

b++;

++a;

System.out.println(a + " " + b + " " + c); }

}

• 324

• 323

• 244

• 234

• 344

What will be the output of the following Java code?

class operators {

public static void main(String args[]) {

int x = 8;

System.out.println(++x * 3 + " " + x); }

• 24 8

• 27 9

• 24 9

• 27 8

What will be the output of the following Java code?

class Relational_operator {

public static void main(String args[]) {

int var1 = 5;

int var2 = 6;

System.out.print(var1 > var2); }

}

• 5

• 6

• FALSE

• TRUE

What will be the output of the following Java program?

class booloperators {

public static void main(String args[]) {

boolean var1 = true;

boolean var2 = false;

System.out.println((var1 & var2));

}

}

• True

• False

• 1

• 0

What will be the output of the following Java program?

public static void main(String args[]) {

char a = 65;

char b = 66;

char d = 68;

d--;

char c = --b;

a++;

System.out.println(b);

System.out.println(d);

System.out.println(b);

System.out.println(a);

}

}

• A

  C

  A

  B

• B

  A

  B

  A

• B

  A

  C

  A

• A

  D

  A

  B

What will be the output of the following Java program?

class squareroot {

public static void main(String args[]) {

double a, b;

a = 3.0;

b = 4.0;

double c = Math.sqrt(a * a + b * b);

System.out.println(c); } }

• compilation error

• 25

• 7

• 5

Java is used for :

• Web applications

• Database connection

• Games

• Desktop applications

• Text Editing

Evaluate the following Java expression, if x=3, y=5, and z=10:

++z + y - y + z + x++

• 23

• 24

• 25

• 20

Who invented Java?

Steve Jobs, Bill Gates, James Gosling, Trump, Smeagol ?

• 
• 
• 
• 
• 

Which component is responsible to optimize bytecode to machine code?

• JDK

• JVM

• JIT

• JRE