Quiz on Java Operators

What will be the output of the program ?

1. class Operator {

public static void main ( String args [ ] ) {

int x = 1;

int y = 2;

int z = ++x + –y;

system.out.println( “ Value of z is “ + z );

}

}

What will be the output of the program?

class modulus {

public static void main ( String args [ ] )

{

int a = 5, b = 4 ;

float c;

system.out.println(c = a % b );

}

}

What will be the output of the program?

class Unary {

public static void main ( String args [ ] ) {

int a = 101;

boolean b = true;

system.out.println( ~ a + ~ b );

}

}

Which of the following is the correct syntax for shift operator?

What is the error in the program ?

class Error {

public static void main ( String args [ ] )

{

int a = 4;

float b = 3;

int c = ++a– + –b;

system.out.println(c);

}

}

What will be the output of the program?

 public class Test {

   public static void main( String args [ ] )

  {

      int a, b;

      a = 11;

      b = (a == 1) ? 12;

      System.out.println(   b );

      b = (a == 10) ? 12: 13;

      System.out.println( + b );

   }

}

What will be the output of the program?

class operators {

Public static void main ( String args [] )

{

Int x = 5;

 system.out.println( ++x + –x);

}

}

What is the correct syntax for a Ternary Operator ?

What is the output of the program?

public class RelationalOperators {

public static void main( String args [ ] ) {

String a = “DataFlair”;

String c = “Data”;

String d = “Flair”;

String b = c+d;

if (a == b) {

System.out.println(“a is equal to b”);

}

else {

System.out.println(“a is NOT equal to b”);

}

}

}

What will be the value of b after execution ?

class Shift {

public static void main ( String args [ ] ) {

int a = 10;

int b = <<a;

system.out.println(b);

}

}

Which of the following operators will work on individual bits like int, short, double , float and char ?

What will be the output of the following code?

class Operators {

public static void main ( String args [] ) 

{

int a = 16;

int b = 5;

  int c = a % b;

system.out.println(c);

}

}

According to operator precedence in Java what will be the output of the program ?

class Arithmetic {

public static void main ( String args [ ] ) 

{

int a = 3, b= 4, c=5;

int d = a + b * c;

system.out.println(d);

}

}

 Which of the following operators in Java has the highest precedence ?

Which operator will be executed first ?

class precedence {

public static void main ( String args [ ] ) 

{

int a,b,c,d,e,f,g,h;

h = ( a + b ) * c – d % e + f / g;

system.out.println(h);

}

}